Name	Natural	Non-heat treated points	Heat treated points	Color details	Primary found in:	Associated             Formation / Member
Afton Canyon Agate AKA: Barstow Desert Coral Chalcedony				shades of white, red, and yellow.  Jasp-agate also occurs	Southern California
Afton Canyon Jasper				Includes jasper red and yellow.	Southern California
Agate Jasper Generic Type				Ranges from yellow to brown or green.  Part if the material will be banded and be translucent while the remaining material will be mottled and opaque.	Western North America
Alaska Canyon Obsidian				Black with phenocrysts and inclusions present.	Northeastern California
Alvord Mountains Jasper / Agate / Palm Wood					Southern California
Amboy Crater Jasper					Southern California
Anderson Dam Plume Agate AKA: Peanut Jasper				Colors of red, white, blue, and yellow with plumes.	West central Coalifornia
Andesite Generic Type					North America	Varies
Annadel Obsidian				Ranges from a grayish black to a brownish black or black.  Banding is commonly present and rarely reddish brown streaking may occur.	West central California	Lower member of the Sonoma Volcanics.
Antioch Petrified Wood				Colors of a dark cream to dark brown and black with a white cortex.	West central California
Argillite (Generic type)				Light to dark green, but may range to various shades of gray	North America
Ash Hill Carnelian				Ranges from a light orangish pink to a dark orange.	Southern California
Backbone Ridge Obsidian AKA: Seaman Gulch, South Forest Camp (Tuscan Volcanics)				Black with reddish brown streaking and patches and lighter bands of translucent gray or clear present (mahogany obsidian).	Northern California	Tuscan Volcanics
Bald Peak Basalt				Dark gray color with a light brownish gray cortex	West central California
Baird Chert				Light gray	Northern California	Baird Limestone Formation
Basalt				Ranges from black to gray	Western North America
Bear Mountain Jasper					Central California
Bees Wax Chert				Ranges from a white gray to a yellow brown	West central California
Berkeley Agate				Ranges from a light grayish white to a dark bluish gray	West central California
Big River Rainbow Jasper				Multi-colored banded jasper	Southeastern California
Black Mountain Basalt				Occurs as both vesicular and compact olivine basalt	Southern California
Blue Chert				Ranges from blue to greenish blue with white veins commonly present.	Northwestern California
Blue Canyon Quartzite				Dark gray color	Northeastern California	Blue Canyon Formation
Blue Ice Moss Agate				Clear blue or blue matrix with dendritic inclusions.	Southern California
Blue Mountain Obsidian AKA: Steel (Steele) Swamp Obsidian				Greenish black color	Northeastern California
Blue Springs Obsidian AKA: Sugar Hill Switchback Obsidian				Black	Northeastern California
Bodie Hills Obsidian AKA: Grove Hill Obsidian				Ranges from black to almost clear.	East central California
Borax Lake Obsidian				Ranges from a dark grayish black to a gray with a "frothy" appearance due to gas voids commonly present.	Northwestern California	Clear Lake Volcanics
Boron Dry Lake Jasper AKA: Boron Dry Lake Petrified Wood					Southern California
Bouquet Jasper				Mottled jasper with colors of red, brown, yellow, and green.	West central California
Bristol Mountains Obsidian AKA: Amboy Crater, Bagdad Obsidian				Gray with banding commonly present.  The cortex is a reddish brown.	Southern California
Buck Mountain Obsidian AKA: Nelson Quarry, North Fork, Tick Rise Obsidian				Ranges from a medium gray to black, flow banding may be present.	Northeastern California
Burdell Mountain Obsidian				Glassy black with many inclusions including felspar.	West central California	Tolay Volcanics or the lower Somoma Volcanics
Buzzard Roost Obsidian				Multi-colored	Northern California
Cady Mountain Agate / Jasper AKA: Wide Valley Agate / Jasper				Colors of red, white, brown, and yellow.  Yellow dendritic inclusion may occur (moss and flame agate)	Southern California
Cal-Azur Blue Chalcedony				Red rhyolite cortex with a blue chalcedony interior.	Central California
Calico Mountain Agate / Chalcedony / Jasper / Petrified Palm Wood AKA: Yermo Agate / Palm Root				Jasper are shades of brown with white veins of quartz.	California
Callahan Obsidian				Homogenous black to a bluish black with no banding present..	Northeastern California
Camp Irwin Chapinite (Agate)				Brecciated nodular agate with colors of red, yellow, and brown.	Southern California
Canyon View Palm Wood				Agatized black palm wood	Central California
Carnelian Generic Type				Translucent and varies in shades from reddish brown to reddish orange.	North America	Varies
Casa Diablo Obsidian AKA: See list on page				Black	East central California
Castle Butte Agate / Jasper / Palm Wood				Colors of yellows, reds, greens, and gray.	Central California
Cave Mountain Jasper / Agate / Chalcedony				Jasper is multicolored, called "rainbow jasper" and the agate is red, chalcedony is grayish blue.	Southern California
Chico Martinez Chert				Range from a light grayish white to a medium gray.	West central California	Chico Martinez Chert Member of the Monterey Formation
China Lake Plume Agate				Greenish exterior with brownish plumes forming a high contrast interior with colors of red, yellow, and white.	Central California
Chuckwalla Chalcedony				Bluish gray	Southern California
Cico Chert				Ranges from translucent white to gray or tan to brown.  Less commonly may be a reddish brown or purplish gray.	West central California
Claremont Chert				Ranges from a light brownish white to a a medium brown or medium gray.	West central California
Clipper Gap Chert				Ranges from a light blue or bluish gray to gray.	North central California	Clipper Gap Formation
Condrey Mountain Quartzite / Chert				Gray recrystallized chert forming a "sugar quartz"	Northwestern California	Condrey Mountain Formation
Coso Hot Springs Obsidian AKA: See list on page				Black	Central California	Coso Volcanic Field
Cougar Butte Obsidian				Milky gray to black color that is tinged with a splotchy pinkish purple cast with phenocysts inclusions (snowflake obsidian)	Northeastern California
Cow Creek Obsidian Tuscan Volcanic Group				Banded gray with reddish brown streaks commonly occurring (mahogany obsidian).	Northern California	Tuscan Volcanics
Cowshead Lake Obsidian AKA: Bidwell Mountain Obsidian				Ranges from black to a black, gray, and purple.	Northeastern California
Crystal Summit Obsidian (Napa Valley Obsidian)				Black with banding and gas voids present.	East central California	Upper member of the Sonoma Volcanics
Dacite Generic Type				Most commonly a light to dark gray or black	Western North America	Varies
Davis Creek Obsidian				Range from black to multi-colored.	Northeastern California
Death Valley Agate AKA: Death Valley Plume, Death Valley Golden, and Wingate Pass Agate				Red with yellow plumes or red with yellow poppies	Southern California
Death Valley Jasper AKA: Navajo Blanket Jasper, Indian Paintstone				colors of red, yellow, tan, and black.	Southern California
Deep Creek Agate / Petrified Wood					Northeastern California
Del Prat Spring Obsidian				Vitreous black with banding occurring	Northeastern California
Dulzura Jasper				ribbed with colors of red and yellow.	Southern California
Duncan Chert				Ranges from a a brownish gray to brown	Northwestern California
Eagle Crags Agate				Range from a blue sagentic agate to a moss agate with a white to clear matrix with dendritic inclusions	South central California
Eagle Peak Agate				Colors of salmon, black, and white.	Central California
Eureka Quartzite AKA: Standbury Quartzite				Ranges from dense white dark gray quartzite to a vitreous tan to brown, milky white, pink, purple, or red orthoquartzite.	Eastern California	Eureka Quartzite Formation
Farmington Chert				Ranges from a most common pale green to a light tannish green.	Central California
Field Siding Agate / Jasper / Palm Wood					Southern California
Fish Springs Obsidian				Black	East central California
Franciscan Chert				Ranges from brown to reddish brown or yellow brown, white to gray, greenish gray to black.  Generally has reddish or greenish hues	Western California	Franciscan Formation
Franz Valley Obsidian				Ranges from a banded black to a unique greenish brown color or a "battleship" gray color.	North central California	Upper member of Sonoma Volcanics
Gem Hill Jasper / Agate / Petrified Wood				Iris agate, petrified wood / roots and "very colorful" jasper are also found at this location	Southern California
Glass Mountain Obsidian AKA: See list				Ranges from a black to gray with banding commonly present	Northeastern California
Graham Pass Agate				Sagenitic agate	Southern California
Grasshopper Flat Obsidian AKA: Glittering Mountain, Red Switchback				Banded milky gray	Northeastern California
Guadalupe Poppy Jasper AKA: Morgan Hill Jasper				Ranges from an orangish yellow to a greenish yellow or red with orbs that have a red exterior margin and a white interior.	East central California
Harris Flats Obsidian				Ranges from a bluish gray with reddish brown and black streaking to a translucent black.	Northeastern California
Hornitos Poppy Jasper				Colors of red, orange, and yellow with white orbs	East central California
Horse Canyon Agate				Includes banded, lace, plume, moss, and various other types of agate	South central California
Ingleside Chert				Brownish red color, yellows and green may be present.  May range to a jasper.	East central California	Ingleside Member (second upper member) of the Franciscan Formation
Jasp-Agate Hill Agate				Produced moss agate, plume agate and jasp-agate	South central California
Jess Valley Obsidian				Black	Northeastern California
Junction Obsidian				Black to pinkish black	Northeastern California
Kelly Mountain Obsidian AKA: Mosquito Springs Obsidian				Poor quality black with numerous vesicles and inclusions.	Northern California
Kramer Hills Agate / Petrified Wood				Includes moss and plume agate and has colors of yellow, red, white, and green with inclusions.	South central California
Lake Havasu Agate / Jasper				Ranges from a white to a bluish white with yellowish browns.	Southeastern California
Lassen Creek Obsidian				Ranges from black to black and red, and purple.	Northeastern California
Last Change Canyon Petrified Wood				Shades of browns, tans, white and black with wood grain or rings present.	South central California
Lavic  Agate AKA: Lavic Lake Agate				Colors of red, green, brown, and white and includes sagenitic and moss agates, jaspers, agate-jaspers.	South central California
Lavic  Jasper				Often a brecciated jasper with colors of red, green, brown, and white	South central California
Lead Pipe Springs Chalcedony AKA: Lead Pipe Springs Agate				Beautiful sky blue to a royal blue chalcedony commonly with a red rhyolite matrix.  Blue sagenitic and moss agate also occur.	South central California
Lodgepole Obsidian				Ranges from black to black with reddish brown streaking and large patches (mahogany obsidian).	Northeastern California
Lonely Butte Agate / Jasper				Ranges from white to mottled white with shades of light brown and light blue.	Central California
Lonely Butte Petrified Wood				Shaded of medium to dark brown.	Central California
Los Guilicos Obsidian				Type A ranges from a gray to a greenish gray and lacks any inclusions.  Type B is a greenish color with numerous phenocyctes.	West central California	Sonoma Volcanics
Lost Iron Wells Obsidian AKA: Glittering Mountain Obsidian				Ranges from gray to black with broad banding and streaking present.	Northeastern California
Mammoth Obsidian				Black	East central California
McKittrick Chert				Ranges from a white to a pale grayish white with light streaks of purple.	West central California	McKittrick Opalized Shale Formation
Meg's Crown Obsidian (Napa Valley Obsidian)				Black with gray banding and swirls present.  In thin sections is a pale gray with dark banding.	West central California	Upper member of Sonoma Volcanics
Middle Fork Obsidian				Black	Northeastern California
Moit Moss Agate				Translucent golden brown matrix with brownish black dendritic inclusions.	Central California	Valley Springs Formation
Mono Craters Obsidian				Black	East central California
Mono Glass Mountain Obsidian				Ranges from gray to black with a "woody grain" appearance.  Reddish brown streaking also occurs (mahogany obsidian).	East central California
Monterey Chert				Ranges from a chert to a opalitic cherty shale or chalcedony with colors from a dark brown to a black, may be banded dark brown and a lighter brown	West central California	Monterey Formation
Montgomery Chert				.Black	Northern California	Montgomery Limestone Formation
Morgan's Well Plume Agate				Black plumes.	Southern California
Mt. Konocti Obsidian				Ranges from a gray to black or brown black and a brick reddish brown.	West central California	Clear Lake Volcanics
Mule Canyon Agate / Jasp-Agate				Includes sagenitic, moss agates, jasp-agate.	Southern California
Mule Canyon  Palm Root				Colors of brown, cream, white, pink, and red	Southern California
Napa Glass Mountain  Obsidian (Napa Valley Obsidian)				Ranges from a black to a pale charcoal gray or a coffee brown with streaking of coffee brown or reddish brown occurring.	West central California	Upper member of the Sonoma Volcanics
Nipomo Opalite / Agate				Colors of blue, green, and gray ranging from opaque to translucent.  Agates includes sagenitic and moss agates.	West central California
North Cottonwood Flat Obsidian				Ranges from black to a pinkish black	Northeastern California
Obsidian AKA: Volcanic Glass				Black to black with bands of dark reds (mahogany obsidian) or white flakes (snowflake obsidian)	Western North America	Volcanic
Odessa Canyon Sagenite				Yellow, black banded, and picture agate	Southern California
Oil Agate				Translucent brownish matrix with black speck and splotches	West central California
Old Ranch Jasper Agate				Colors of red, white, yellow, and brown	South central California
Opal Mountain Opal / Chalcedony / Moss Agate				Opal occurs colors including peach, white pink, and red, Opal Mountain Chalcedony is clear to light gray.	Southern California
Palo Verde Agate				Includes paisley agates and black agates.	Southeastern California
Panamint Carnelian				Ranges from a deep brownish red to a light reddish brown.	East central California
Paradise Ridge Obsidian Tuscan Volcanic Group				Black	Northern California	Tuscan Volcanics
Pastelite Jasper				Colors of pink, orange, brown, and white	Southern California
Paul Bunyan Agate				Intense red color with branch like inclusions extending into an opaque white chalcedony.	Southern California
Paynes - Inks Creek Obsidian Tuscan Volcanic Group				Black	Northern California	Tuscan Volcanics
Peale Chert				Colors of black, gray and red and commonly has red banding and veins of white quartz	Northeastern California	Peale Formation
Peale Quartzite				Gray	Northeastern California	Peale Formation
Petrified Wood Generic Type				Color based on the minerals present during the process.  It can range from black green to blue yellow, red, and brown , pink and orange, yellow , or white	California	Varies
Piedra de Lumbre Chert				color is most commonly a yellowish brown to gray but may range from black bright red or white with dark browns and greens being rare.	Southwestern California
Pink Lady Obsidian				Ranges from black to a iridescent silver sheen to a green sheen or pink sheen.	Northeastern California
Pisgah Crater Agate				Ranges from a banded white to bluish white and brownish yellows.  Banded, moss, and plume agates occur.	Southern California
Plaster City Petrified Wood					Southern California
Pope Creek Jasper AKA: Pope Creek Poppy Jasper				Pope Creek Jasper is green with white and yellow "stringers" and orbs.	West central California	Knoxville Formation
Potter Valley Jasper				Red	West central California
Prase Chert				Greenish gray color	Northwestern California
Providence Petrified Wood				Petrified Sequoia wood occurring in volcanic ash.	Southeastern California
Queen Valley Obsidian AKA: Fish Lake Valley Obsidian				Black	East central California
Rainbow Mine Obsidian				Black with a pink translucence with a reddish orange cortex.	Northeastern California
Ransburg Fossilized Palm Root				Gray chalcedony matrix with large irregular eye-like structures and fibers present.	South central California
Red Canyon Agate / Jasper / Petrified Wood				Includes moss and picture agate.	South central California
Red Switchback Obsidian				Colors of black and reddish brown or red.	Northeastern California
Redland Chert				White	West central California	Redland Limestone Formation
Rhyolite				Gray to grayish black, flow banding may be present alternating from light to darker gray	North America	Volcanic Activity
Robbers Mountain Argillite / Chert				Ranges from a pale pink to pale purplish res, pale yellowish brown, or light gray with red and brown staining by iron oxide.	South central California	Robbers Mountain Formation
Sacramento Mountains Palm Root					Southeastern California
Santa Cruz Island Chert				Ranges in color from white to gray or a light blond to a dark brown and occasionally bluish in cast.	West central California
Sapphirine Chalcedony				Ranges from a sky blue to a deep blue color with a grape like cluster surface.	Southern California
Sausalito Chert				Primarily a brownish red color, but yellow, green, and other colors do occur.	West central California	Sausalito Chert Formation of the Franciscan Group
Schadler Ditch Obsidian AKA: Eightmile Creek Obsidian				Black	Northeastern California
Sheep Spring Moss Agate				White to light blue matrix with black dendritic inclusions.	South Central California
Siam Agate				Lumpy yellowish brown to pink chalcedony with clear to light blue banded agate stringers.  Jasper also occurs.	Southeastern California
Sonoma Opal				Colors of peach, pink, and yellow.	West Central California
Sonora Pass Agate				Agate breccia or banded agate	East central California
Stone Canyon Jasper				Brecciated with angular pieces of yellow, tan, or brown cemented by contrasting transparent chalcedony of white, blue, purple, or black..	West central California
Stoney Creek Jasper				Colors of greenish yellow, red, and translucent chalcedony.  Orbs or "poppies" my be present.	Northwestern California
Stonyford Jasper Agate				Colors of greenish yellow, red, and translucent chalcedony.	Northern California
Straw Beds Agate				Nodules or "thunder eggs" with a brownish exterior and a blue to black chalcedony interior.	Southeastern California
Sugar Hill Obsidian AKA: Sugar Hill Switchback Obsidian				Only black occurs	Northeastern California
Surveyor Springs Obsidian AKA: Rock Creek, Twelvemile Canyon Obsidian				Black and a pinkish black.	Northeastern California
Taylorsville Chert				Layers of black chert and masses of red chert	Northeastern California	Taylorsville Formation
Tick Canyon Agate / Bloodstone				Agate includes a bluish chalcedony	West central California
Tick Canyon Jasper				Jasper includes green jasper and brecciated jasper.	West central California
Trinidad Jasper				Brecciated with shades of red, green and white.	Northwestern California
Trinity Obsidian				Black with minor inclusions.  Phenocysts may appear elongated with banding common.	West central California	Sonoma Volcanics
Truckee River Basalt AKA: Boca Reservoir, Martis Creek Basalt				Ranges from dark gray to black	Northeastern California
Truman Meadows Obsidian AKA: Truman Canyon Obsidian				Ranges from a clear to black with reddish brown streaking (mahogany obsidian) to banded black.	East central California
Tuff AKA: Solidified Volcanic Ash (Generic type)				Contains greater than 75 volcanic ash and ranges from white to tan, gray or pink.	North America	Volcanic activity
Tuledad Agate				Multi-colored agate with colors of green, cream, white, brown, and red ranging to a flame agate.	Northeastern California
Tuqan Monterey Chert				Dark banded or mottled with colors of black, brown, and various shades of gray with buff or tan occurring less often.  The cortex ranges from white or buff.	West central California	Monterey Formation
Tuscan Obsidian (Paradise Ridge) AKA: Paynes Creek, Inks Creek Obsidian				Black	Northern California
Upper Ross Creek Obsidian				Black with a pink translucence	Northeastern California
Wall Canyon Jasper				Pink laced jasper.	Southern California
Wall Street Jasper				Colors of red yellow and brown, rarely a greenish yellow.	Southern California
Wiley Well Agate				Includes Moss, Plume, Lace, and banded agates with colors of red, brown, tan, clear, and black.	Southeastern California
Yellowjacket Obsidian				Gray / black banded obsidian with clear streaking	Northeastern California