Name	Natural	Non-heat treated points	Heat treated points	Color details	Primary found in:	Associated Formation / Member
Andesite Generic Type					North America	Varies
Argillite (Generic Type)				Light to dark green, but may range to various shades of gray.	North America	Varies
Bangor Chert (Ridge and Valley Chert)				Translucent and banded, ranging in color from black to a dark bluish gray or greenish	Northeastern Mississippi	Bangor Limestone Formation
Bangor Limestone AKA: Colbert County Limestone				Medium gray	Northeastern Mississippi	Bangor Limestone Formation
Blue Gray Fort Payne Chert				Opaque gray to bluish gray, or black with tan patches.  White fossil specks are usually present	Northeastern Mississippi	Fort Payne Formation
Brassfield Chert AKA: Clifton Chert / Agate, Belfast Chert				Artifacts tend to range in color from light greenish to blue or light tans mottled with yellowish red to milky white	Northeastern Mississippi	Brassfield Formation
Buffalo River Chert				Ranges in color from light to dark tans with orangish, reddish and bluish hues.  May have gray or brownish swirls	Northeastern Mississippi	Fort Payne Formation
Camden Chert				Mottled white to gray, gray to gray blue, pale yellow to olive-yellow or tan.  Vugs, quarts inclusions, streaking generally present	Northeastern Mississippi	Tuscaloosa Formation
Carnelian (Generic Type)				Translucent and varies in shades from reddish brown to reddish orange.	North America	Varies
Catahoula Orthoquartzite				Range from white to gray, tan, black, green, or almost clear with black angular inclusions giving a "peppered" appearance.	East central Mississippi	Catahoula Formation
Citronelle Chert Lafayette Chert variation AKA: Calcasieu Chert				Great variation and can range form most commonly shades of brown and tan, but may range to white to pink or black.	Western Mississippi	Lafayette Gravel Formation
Clayton Chert (Coastal Chert)				Ranges from yellow to brown, though white may occur.	East central Mississippi	Clayton Formation of the Midway Group
Cockfield Orthoquartzite				Shades of light gray with spotting of light brown commonly present commonly giving a mottling appearance.	Northeastern Mississippi	Cockfield Formation, Clairborne Group
Crystal Quartz				clear colorless stone similar to clear glass	Eastern North America
Florence County Fort Payne Chert				Ranges in color from dark gray to black and is mottled with lighter translucent light blue	Northeastern Mississippi	Fort Payne Formation
Fort Payne Chert AKA: Iuka Chert, Lauderdale Chert				Ranges in color from black to a grayish blue, or white to a bluish white.  Bluish gray is the predominate color with bluish hues	Northeastern Mississippi	Fort Payne Formation
Hattiesburg Orthoquartzite				Gray opal cemented quarttztic siltstone or sandstone that may have shades of light brown or tan giving a mottled appearance.	Eastern Mississippi	Hattiesburg Formation
Horse Creek Chert Tuscaloosa variation AKA: Pickwick Chert and Lost Quarry Chert				Banded with the band colors ranging from black to medium gray (outer band), yellow tan to pale yellow (next band), pink to reddish or brick red (center).	Northern Mississippi	Tuscaloosa Formation
Kosciusko Quartzite				Ranges from gray to a whitish gray or whitish brown.  Mottling or light reddish iron staining may be present.	Central Mississippi	Kosciusko Formation
Lafayette Gravel Chert				Most commonly ranges from brown to tan, greyish tan, yellowish tan, or cream, less common white and black occur.	Western Mississippi	Lafayette Gravel Formation
Lafayette Quartzite					Western Mississippi	Lafayette Gravel Formation
Marianne Chert AKA: Mint Springs Marl				Ranges from a white to cream color	Southern Mississippi	Mint Springs Marl Member of the Marianna Limestone Formation, Vicksburg Group
Mill Creek Chert				Vary from white to gray, grayish brown, orange white to orange gray, or pale blue to black.  Concentric banding may be present	Northern Mississippi	Salem / Ullim Limestone Formation
Orthoquartzite (Generic Type)				Ranges from white to tan, red green, brown, or black.	North America	Varies
Palmwood AKA: Petrified Palmwood				Ranges from white to yellowish white or cream with specks or streaks of brown to yellowish brown.	Southwestern Mississippi	Catahoula Formation
Petrified Wood AKA: Agatized Wood, Opalized Wood				Vary in color based on the minerals present during the process	North America	Varies
Piedmont Gravel Quartz				Ranges from bright white to light gray, tan, brown, pink, or red.	Northeastern Mississippi
Quartz AKA: Vein Quartz				Milky white with thin veins	North America	Varies
Quartzite (Generic Type)				Varies from white to gray, or pink and tan in color	North America	Varies
Rhyolite (Generic Type)				Gray to grayish black, flow banding may be present alternating from light to darker gray	North America	Varies
Tallahatta Chert AKA: Tallahatta Chert, Alabama Agate				Glossy multicolored chert that may vary from red to amber, yellow, and blue.	Southeastern Mississippi	Tallahatta Formation, Clairborne Group
Tallahatta Quartz AKA: Tallahatta Sandstone, Snowflake Quartzite				Light gray arenite with white specks giving a snowflake appearance.	Southeastern Mississippi	Tallahatta Formation, Clairborne Group
Tuff AKA: Solidified Volcanic Ash				Contains greater than 75 volcanic ash and ranges from white to tan, gray or pink.	North America	Volcanic activity
Tupelo Fort Payne Chert				Light beige to light tan with light gray mottling and may have banding.  It has a creamy appearance	Northeastern Mississippi	Fort Payne formation
Tuscaloosa Chert AKA: Red / Yellow Jasper				Ranges in color from white, tan, yellowish tan to yellow or brown, and red.  Mottling is not present	Northeastern Mississippi	Tuscaloosa Gravel Formation
Tuscumbia Chert AKA: Carmack Chert				Ranges from light to dark gray	Northeastern Mississippi	Tuscumbia Limestone Formation