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Name	Natural	Non-heat treated points	Heat treated points	Color details	Primary found in:	Associated             Formation / Member
Ada Petrified Wood				Colors of tan, brown, white, and black	West central Arkansas	Antlers Sandston formation
Andesite Generic Type					North America	Varies
Argillite (Generic type)				Light to dark green, but may range to various shades of gray	North America
Arkansas Nocaculite				Ranges from white to light to dark grays and black, pinks to red, and tan to browns.	Southwestern Arkansas	Arkansas Novaculite Formation
Atoka Argillite				Ranges in color from a dark gray to black	Northwestern Arkansas	Atoka formation
Atoka Siltstone				Ranges from a medium to dark gray	Northwestern Arkansas	Atoka formation
Barren Fork Chert				Barren Fork Chert ranges from a light to medium gray or a tan.	Northwestern Arkansas	Sallisaw Formation
Battiest Chert AKA: Smithville Chert				Ranges from a dark bluish gray to black with small white veins of quartz commonly present.	Southwestern Arkansas	Battiest Chert Member of the Tenmile Creek Formation, Stanley Group
Bayou Manard Chert AKA: Red Bird Chert				Black chert with white fossil specks	Southwestern Arkansas	Bayou Menard Member of the Moorefield Formation
Big Fork Chert AKA: Bigfork Chert				Ranges from black to a dark gray	West central Arkansas	Bigfork Formation
Blaylock Sandstone				Ranges in color from tan to dark gray or greenish.	West central Arkansas	Silurian Formation
Boone Chert AKA: Sallisaw Chert, Grand Falls Chert, Ti Valley Chert				Ranges from a light gray to white	Northwestern Arkansas	Boone Limestone Formation
Burlington Chert				Varies from white to gray or tan.  Banding and mottling may be present	Northeastern Arkansas	Burlington Limestone Formation
Carnelian (Generic Type)				Translucent and varies in shades from reddish brown to reddish orange.	North America	Varies
Chickasaw Creek Chert				Black with white speckles	Southwestern Arkansas	Chickasaw Creek Member of the Jackfork Formation
Cockfield Orthoquartzite				Shades of light gray with spotting of light brown commonly present commonly giving a mottling appearance.	Southeastern Arkansas	Cockfield Formation, Clairborne Group
Collier Chert				Black with small white veins of quartz occasionally present	Southwestern Arkansas	Collier Shale Formation
Cotter Chert AKA: Swan Creek Chert				Ranges in color from a light gray or blue with light tan to white banding.	Northwestern Arkansas	Cotter Formation
Crowley's Ridge Chert				Ranges from brown to tan, greyish tan, yellowish tan, or cream.	Eastern Arkansas	Glacial Till
Crushman Chert				Mottled dark gray	Northwestern Arkansas	Boone Limestone formation
Crystal Mountain Quartz				Ranges from a white to a light pink or light gray.	Southwestern Arkansas	Crystal Mountain Sandstone Formation
Dover Chert Fort Payne variant AKA: Elco Chert				Range from a light tan to almost a black chocolate brown with swirls, bands, or streaks of light to dark	Northeastern Arkansas	Fort Payne Formation
Everton Interclastic Chert AKA: Everton Chert				Primarily a white to light brown, brown or tan.  May vary from a pink-red, purple, and grey.  Commonly brecciated.	Central to northwestern Arkansas	Everton Formation
Everton Quartzite				Ranges from a light to dark white to gray with weak banding of white and gray.	Northern Arkansas	Everton Formation
Fordyce Petrified Wood				Shades of white, tan, and brown with wood grain or rings commonly present.	South central Arkansas
Fort Scott Chert AKA: Bixby Black Chert				Ranges from a dark bluish black to black.	Northwestern Arkansas	Fort Scott Limestone Formation of the Henrietta (Marmaton) Group
Fortune Chert				Ranging from a light cream to olive brown or tan color with mottling of a citrine drab to grayish olive gray and white speckles	Northwestern Arkansas	Fortune Formation
Frisco Chert				Ranges from white to a light gray or light yellowish gray or pale greenish yellow.	West central Arkansas	Frisco Limestone Formation
Grand Falls Chert Boone Chert variation				Light gray color and may vary to brown	Northwestern Arkansas	Grand Falls Member of the Boone Formation
Hindsville Chert				Ranges from a gray bluish gray with mottling of light blue to blue, gray, and light browns.	Northwestern Arkansas	Hindsville Limestone Member of the Batesville Formation
Jefferson City Chert Type 1: Oolitic				Ranges from an off white to a pale blue with white oolitic speckles	Northern Arkansas	Jefferson City Formation
Jefferson City Chert Type 2: Banded				Ranging from a off white to a pale purple with narrow banding alternating banding of  brown, blue, and purple	Northern Arkansas	Jefferson City Formation
Jefferson City Chert Type 3: Mottled				Ranging from a off white to a pale purple with streaking, swirling, or disturbed banding of  brown, blue, and purple	Northern Arkansas	Jefferson City Formation
Jefferson City Chert Type 4: Dense				White with a pearly luster	Northern Arkansas	Jefferson City Formation
Jefferson City Quartzite				Light and dark colors of white, pink, red, brown, and gray, homogenous to weak banding or weak mottling, occasional vugs and voids are present.	Northern Arkansas	Jefferson City Formation
Keokuk Chert				Ranges from a creamy white to a whitish pink with streaks or patches of whitish brown or whitish pink and reddish spots commonly present.	Northwestern Arkansas	Keokuk Formation of the St. Joes Group
Kimmswick Chert				Opaque and gray in color.  Sparse black speckles are formed by pyritiferous particles.	Northern Arkansas	Kimmswick Formation
Lafayette Chert				Most commonly ranges from brown to tan, greyish tan, yellowish tan, or cream, less common white and black occur. Mottling or rarely banded	Eastern Arkansas	Lafayette Gravel Formation
Lafayette Quartzite					Eastern Arkansas	Lafayette Gravel Formation
Lindsey Bridge Chert				Ranges in color from white to tan or blue.	Northwestern Arkansas	Lindsey Bridge  Limestone Member of the Moorefield Formation
Mazarn Chert				Glossy black	Southwestern Arkansas	Mazarn Shale Formation
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	Northeastern Arkansas	Salem / Ullim Limestone formation
Novaculite (Generic Type)				Range from white to light gray or black	Southwestern Arkansas	Varies
Osage Chert Osage Undifferentiated Chert				Ranges from a white to light gray or light brown.  Occasionally gray to dark gray mottling is present.	Northern Arkansas	Osage Series
Penters Chert AKA: Pinters Chert				Ranges from a highly variegated ranging from medium to dark gray, bluish gray, grayish brown, or mottled ranging white to pale gray or pale brown.	Central to northwestern Arkansas	Penters Formation
Penters Chert Breccia				Primary color of white, gray, or brown with a variable color of white, gray, red, or brown	Northeastern Arkansas	Penters Formation
Petrified Wood AKA: Agatized Wood, Opalized Wood				Vary in color based on the minerals present during the process	North America	Varies
Peoria Chert AKA: Tahlequah  Chert				Primarily white but ranges to a pale yellowish what to a yellowish brown or pink	Northwestern Arkansas	Tahlequah Member of the Moorefield Formation
Pierson Chert				Ranges in color from a mottled gray, cream, and brown to light blue or brick red	Northwestern Arkansas	Pierson Formation of the Osagean Series
Pinetop Chert AKA: Brushy Creek Chert				Ranges in color from a white to a beige or light to dark gray.	Southwestern Arkansas	Pinetop Formation
Pitkin Chert				Ranges from a dark bluish gray to black with light blue occurring. White speckles  commonly present	Northern Arkansas	Pitkin Limestone Formation
Plattin Chert				Ranges from a dark bluish gray to black with light blue occurring. White speckles  commonly present	Northeastern Arkansas	Plattin Formation
Polk Creek Chert				Black	Southwestern Arkansas	Polk Creek Shale Formation
Red River Jasper AKA: Kiamichi Chert				ranges from an orangish red to a greenish gray with iron pyrite inclusions commonly present.	Southwestern Arkansas	Possible Woodford Formation
Reed's Spring Chert AKA: Carr Branch Chert				Opaque chert ranging in color from a bluish gray to a light gray or yellowish brown.	Northwestern Arkansas	Reed Springs Formation
Rhyolite (Generic Type)				Gray to grayish black, flow banding may be present alternating from light to darker gray	North America	Volcanic Activity
St. Louis Green Chert AKA: St. Louis Formation Chert				Varying shades from light gray green to yellow green	Northeastern Arkansas	St. Louis Formation
Ste. Genevieve Chert AKA: Old Blue Chert				Ranges from light to medium blue, gray, and black, to olive gray and yellowish gray with gray concentric bands commonly present	Northeastern Arkansas	Ste. Genevieve Limestone 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
Wapanucka Chert				Mottled and striated gray chert.	West central Arkansas	Wapanucka  Formation
Webber's Falls Siltstone AKA: Arkansas Argillite				Ranges from a greenish gray to dark gray or black.	Northwestern Arkansas	Webber's Falls Member of the Atoka Formation