Name	Natural	Non-heat treated points	Heat treated points	Color details	Primary found in:	Associated Formation / Member
Agattu Island Argillite				Ranges from a bluish green to green.	Alaska Peninsula
Akmalik Chert AKA: EMF Chert, Jet Black Chert				Deep black color that lacks mottling or banding.  Inclusions of fine pyrite is commonly present.	Northern Alaska	Lisburne Group
Alapah Chert				Black weathering gray to dark gray.	Northern Alaska	Member 5 and 8 of the Alapah Formation of the Lisburne Group
Akutan Obsidian				Smoky black	Alaska Peninsula	Akutan Volcanics
Alaska Peninsula Wood				Includes logs, stumps, branches, and fragments with colors of black, gray, and white.	Alaska Peninsula
Amy Creek Chert				Ranges from a dark gray to black.	Westcentral Alaska
Anchor Point Wood				Occurs as logs, branches, root systems and stumps.	South central Alaska	Beluga or Sterling Formation
Andesite Generic Type					North America	Varies
Aniakchak Volcano Petrified Wood					Alaska Peninsula	Meshik Formation
Argillite (Generic type)				Light to dark green, but may range to various shades of gray.	North America	Varies
Basalt				Ranges from black to gray	Western North America	Volcanic
Batza Tena Obsidian AKA: Indian Mountain Obsidian				Black	Northwestern Alaska
Cape Aliaksin Petrified Wood					Alaska Peninsula	Tolstoi Formation
Carnelian Generic Type				Translucent and varies in shades from reddish brown to reddish orange.	North America	Varies
Chicaloon River Petrified Wood					South central Alaska	Volcanics
Chuniksak Chert				Ranges from a dark gray to black	Alaska Peninsula	Chuniksak Formation
Coleen River Petrified Wood					Northeastern Alaska
Colville River Petrified Wood					North central Alaska	Chandalar Formation
Coyote Lake Petrified Wood					South central Alaska
Dacite Generic Type				Most commonly a light to dark gray or black	Western North America	Varies
Eagle Creek Chert				Ranges from a light gray to black.	South central Alaska	Eagle Creek Formation of the Mankomen Group
Echooka Chert				Ranges from a grayish green to black	Northeastern Alaska	Echooka Member of the Sadlerochit Formation
Echooka Quartzite				Light gray	Northeastern Alaska	Echooka Member of the Sadlerochit Formation
Endicott Mountain Chert				Bright red, maroon, and turquoise green	Northwestern Alaska	Basalt formations
Ettrain Chert				Dark gray	East central Alaska	Ettrain Formation
False Pass Obsidian					Alaska
Ford Lake Chert				Grayish black	East central Alaska	Ford Lake Shale Member of the Imperial Formation
Funnel Creek Chert				Dark gray	Southern Alaska	Funnel Creek Formation
Harrison Bay Petrified Wood					North central Alaska
Imnaitchiak Chert				Ranges in color from light to dark gray, but may range to a bluish or steel gray or greenish gray	North central Alaska	Imnaitchiak Chert Formation of the Etivluk Group
Kachamak Bay Petrified Wood					South central Alaska	Beluga Formation
Kahiltna Argillite				Ranges from a dark gray to black.	Central Alaska	Kahiltna Flysch
Kahiltna Chert				Ranges from a dark gray to black radiolarian chert.	Central Alaska	Kahiltna Flysch
Kamishak Chert				Blackish green and dark red in color	Alaska Peninsula	Kamishak Formation
Karupa River Petrified Wood				Most commonly dark gray and black, but colors of white, light yellow, and brown also occur.	Northwestern Alaska	Tuktu Formation
Kejulik River Petrified Wood					Alaska Peninsula	Naknet Formation
Kenai Peninsula Agate				Includes moss, plume, fortification, and banded thunder eggs.	South central Alaska	Beach deposits
Kigalik Canyon Petrified Wood					West central Alaska
Kikolit River Petrified Wood					Northwestern Alaska	Corwin Formation
Kuiu Agate				Deep blue color reaching the color of lapis lazuli shades	Southeastern Alaska
Kuiu Island Petrified Wood AKA: Port Camden - Keku Strait Petrified Wood					Southeastern Alaska
Kujulik Bay Petrified Wood					Alaska Peninsula	Meshik Formation
Kuna Chert				Black	Northern Alaska	Kuna Formation of the Lisburne Group
Lakloey Hill Petrified Wood					West central Alaska
Lisburne Chert				Banded dark gray and black.	Northern Alaska	Lisburne Limestone Formation
Livengood Chert				ranges from a light gray to a grayish black weathering a gray to green. reddish brown or red.	Northern Alaska	Livengood Formation
McCallum Creek Petrified Wood					Northeastern Alaska
McCann Hill Chert				Ranges from a light gray to black.	East central Alaska	McCann Hill Formation
Mount Edgecumbe Obsidian				Ranges from a dark gray to black.   A glassy black dactite with reddish brown and flow banding also occurs.	Southeastern Alaska	Mount Edgecumbe Volcanics
Mount Michelson Petrified Wood AKA: Katakturak River Petrified Wood					Northeastern Alaska	Sagaranirktok Formation
Nanwaksjiak Obsidian					Southwestern Alaska	Nanwaksjik Volcanics
Obsidian AKA: Volcanic Glass				Black to black with bands of dark reds (mahogany obsidian) or white flakes (snowflake obsidian)	Western North America	Volcanics
Okmok Obsidian				Black	Alaska Peninsula	Okmok Volvanics
Orthoquartzite (Generic type)				Varies	North America	Varies
Otuk Chert				Banded with colors ranging from a tan or light cream to light gray or black, small inclusions of spherules of recrystallized radiolaria	Northern Alaska	Otuk Formation of the Etivluk Group
Pavlof Bay Petrified Wood					Alaska Peninsula	Tolstoi Formation
Petrified Wood AKA: Agatized Wood, Opalized Wood				Vary in color based on the minerals present during the process	North America	Varies
Pevlik Volcano Petrified Wood					Southeastern Alaska	Chignik Formation
Port Moller Wood					Alaska Peninsula	Milky River Formation
Quartzite				Varies from white to gray, or pink and tan in color	North America
Rampart Group Chert				Ranges from a medium gray to a greenish gray with veins of quartz commonly present.	East central Alaska	Rampart Group
Rhyolite				Gray to grayish black, flow banding may be present alternating from light to darker gray	North America	Varies
Skolai Pass Obsidian					Southeastern Alaska
Stepovak Chert					Alaska Peninsula	Stepovak Series
Strelna Chert				Light gray	Southeastern Alaska	Strelna Formation
Suemez Island Obsidian AKA: Cape Felix Obsidian					Southeastern Alaska
Tahkandit Chert				Ranges from a light gray to light yellow or grayish brown with quartz vugs or darker gray blobs commonly present.	East central Alaska	Tahkandit Formation
Tuff AKA: Solidified Volcanic Ash				Contains greater than 75 volcanic ash and ranges from white to tan, gray or pink.	North America	Volcanic activity
Ukolnoi Island Petrified Wood					Alaska Peninsula
Unga Island Petrified Wood					Alaska Peninsula	Unga Conglomerate Formation
Veniaminof Volcano Wood					Alaska Peninsula	Meshik - Stepovak Formation
Wahoo Chert				Black	Northeastern Alaska	Wahoo Formation of the Lisburne Group
Wiki Peak Obsidian				Black	Southeastern Alaska
Wolverine Quartzite				Ranges from a very light gray to white or tan weathering to a medium gray.	Central Alaska	Wolverine Quartzite Formation of the Kandik Group
Woodchopper Chert				Ranges from a dark green to black	West central Alaska	Woodchopper Volcanic Formation
Wosrlesenski Island Petrified Wood					Alaska Peninsula	Unga Conglomerate Formation
Wrangell Obsidian AKA: Wrangell Mountain Obsidian, Group A Obsidian				Black	Southeastern Alaska
Yantarni Volcano Petrified Wood					Alaska Peninsula	Tolstoi Formation