Name	Natural	Non-heat treated points	Heat treated points	Color details	Primary found in:	Associated Formation / Member
Aaron Slate AKA: Sandy Tuff				Ranges from a pure greenstone to a almost pure argillite	Southeastern Virginia	Aaron Formation of the Virginia Carolina Slate Belt
Abbyville Gabbro				Dark greenish gray	Southeastern Virginia	Abbyville Gabbro Formation
Accomack Mudstone				Ranges in color from a light or medium brown to a yellowish mustard brown.	Eastern Virginia	Yorktown and Omar formation estuarine deposits
Allentown Chert				Ranges from a medium to dark gray with white streamers with banding commonly present.  Oolitic and stromatolitic.	Northern Virginia	Allentown Formation
Allentown Quartzite				Ranges from a very light gray to a medium light gray.	Northern Virginia	Allentown Formation
Amber Chalcedony AKA: Weathering Amber Chalcedony				When freshly fractured is a translucent amber with snowflake like inclusions, when weathered has a chalky white to yellow appearance	Southeastern Virginia
Antietam Quartzite				Ranges from bright white to light gray, tan, brown, pink, or red, a greenish brown variation is reported	Northern Virginia	Antietam Formation of the Chilhowee Group
Argillite (Generic type)				Light to dark green, but may range to various shades of gray.	North America	Varies
Arnolds Valley Jasper AKA: Rockbridge Jasper				Ranges in color from yellow to red with white streaks of quart.	North central Virginia	Chilhower Group
Arvonia Slate				Ranges from a dark gray to a grayish black.	Northern Virginia	Arvonia Formation
Beasley Bay Jasper				Ranges from a mustard yellow to a brownish yellow or red.	Eastern Virginia	Kent Island Formation
Becraft Chert				Light bluish gray to medium gray or black	New York, New Jersey, Maryland, and Virginia	Becraft Limestone Formation of the Helderberg Group
Beekmantown Chert AKA: Narrows Chert				Dark gray often fossiliferous.	Northern Virginia	Beekmantown Formation
Bellefonte Chert				Ranges from a light to medium gray	Pennsylvania, Maryland, West Virginia, Virginia	Bellefonte Dolomite Formation of the Beekmantown Group.
Berea Sandstone				Ranges in color from a light gray to a buff	Northwestern Virginia	Waverly Group
Bonifant Jasper AKA: Bonnefont Jasper				Mottled mustard yellow to a yellowish brown or a variegated red	East central Virginia	porphyoblastic garnet-biotite gneiss formation
Bourne Chert AKA: Brunswick County Chert				Predominantly brown to cream, red, or violet, but ranges from pink, yellow, brown, orange, and light blue also occur.	East central Virginia
Bremo Quartzite				Light gray	East central Virginia	Bremo Quartzite Member of the Arvonia Formation
Broad Run Chalcedony AKA: Wissahickon Chalcedony				Ranges in color from a mottled white to light gray or cream to yellow.  Black specks are present through the material.	Northeastern Virginia	Wissahickon Formation
Brook Run Jasper				Ranges from a mustard yellow to a yellowish brown or red with white quartz streaks running through the material.	Northern Virginia
Buffards Quartzite				Ranges from a milky white quartz to a dusty red quartzite.	Central Virginia	Buffards Quartzite Member of the Arvonia Formation
Calvert Silicified Sandstone				Ranges from a light gray to a bluish gray or dark gray	Eastern Virginia	Calvert Formation, Chesapeake Group
Catoctin Greenstone AKA: Catoctin Metabasalt				Ranges from a green to a greenish gray or gray.	Northern Virginia	Catoctin Formation
Catoctin Metarhyolite AKA: Highland Metarhyolite				Ranges from a gray to a  bluish gray, blue, or purple.  Banding, mottling, or breccia with a tannish color may be present.	Northern Virginia	Catoctin Formation
Chepultepec Chert Knox Chert Variant (Ridge and Valley Chert)				Ranges from yellow to white and oolitic	Western Virginia	Chapultepec Member of the Knox Formation
Chilhowee Mudstone				greenish-gray in color	Western Virginia	Chilhowee Group
Coeymans Chert AKA: New Creek Chert				ranges in color from a bluish black to black.  Cloudy patches of fine pyrite and quartz may be present.	Northern Virginia	Coeymans Limestone Formation (New Creek Formation), Helderberg Group
Conococheague Chert				Ranges from a gray to a bluish gray, brownish gray, or black.  Small blue to white inclusions may be present.	Western Virginia	Conococheague Limestone Formation
Copper Ridge Chert (Ridge and Valley Chert)				Ranges in color from medium to dark gray to black	Western Virginia	Copper Ridge Member of the Knox formation
Crystal Quartz				clear colorless stone similar to clear glass	Eastern North America
Culpepper Hornfels				Range from a brown to reddish brown or greenish brown and gray to black.	Northern Virginia
Erwin Quartzite  AKA: Erwin - Antietam Quartzite, Hesse Quartzite				Ranges from bright white to light gray, tan, brown, pink, or red.  A green brown variation is reported in Amherst County, Virginia	Southern Virginia	Erwin Formation of the Chilhowee Group
Flint Run Jasper				Mottled mustard yellow to brown, but gray, red, blue, and green also occur as streaking or inclusions and quartz inclusions.	Northern Virginia	Between the Beekmantown Formation and the Blue Ridge Formation
Fort Chiswell Chalcedony				Mottled with light colors of white tan, and gray.	Western Virginia
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	Western Virginia	Fort Payne Formation
Greenbrier Chert AKA: Alderson Chert				Ranges in color from light to dark grays, browns, black, and pale red.	Northwestern Virginia	Greenbrier Formation
Hardy Creek Chert				Ranges from a brown to a gray or an olive black	Western Virginia	Hardy Creek Limestone Formation
Harpers Ferry Quartzite AKA: Oolitic Quartzite				Ranges from a light gray to light blue with round speckles colored dark gray to a bluish gray or cream to light gray	Eastern Virginia	Possible Harpers Formation of the Chilhowee Group
Helderberg Chert				Ranges from mottled white to light cream, light gray, and light blue commonly mottled and fossiliferous.	Northern Virginia	Helderberg Group
Hillsdale Chert				Black weathering gray.	Northwestern Virginia	Hillsdale Limestone Formation
Honaker Chert / Dolomite AKA: Nolichucky Chert				Dolomite is a light to medium gray with banding present, minor chert nodules of dark gray to black with algal banding	Western Virginia	Honaker Formation / Nolichucky Formation
Hunterville Chert				Ranges from a yellowish gray to a gray or dark gray.	North central Virginia	Hunterville Chert Formation of the Oriskany Group
Indian Run Chert				Mottled with shaded of medium to dark gray and white.	North central Virginia
Kanawha Black Chert				Vary from a black to a bluish black /gray to a dark gray	Northwestern Virginia	Kanawha Formation, Pottsville Group
Kingsport Chert				Ranges from white to a medium to dark gray.	Western Virginia	Kingsport Formation of the Beekmantown Group
Knox Chert				Dark blue to bluish gray with translucent mottling.  Red Knox Chert has a reddish color with slight mottling.	Western Virginia	Knox Formation
Laurel Run Chert				Ranges from a light to dark gray or black with tan, pink, and white also occurring.	Western Virginia
Lenoir Chert				Dark Gray	Western Virginia	Lenoir Limestone Formation
Libertytown Metarhyolite				Ranges from a dark purplish to a bluish black or red with macrophenocycts of pink and white feldspar.	Northern Virginia	Libertytown Metarhyolite Formation
Licking Creek Chert				Black with sandy texture inclusions.	Northern Virginia	Licking Creek Member of the Helderberg Formation
Lincolnshire Chert AKA: Murat Chert				Ranges from a very dark gray to olive black.	Western Virginia	Lincolnshire Limestone Formation of the Cliffeld Group
Little Cattail Creek Chert / Chalcedony AKA: Williamson Chert, Dinwiddie Chert				The most common colors range from a light tan to brown and gray to blue with a mottled creamy gray-blue being the most common.	Southeastern Virginia
Liver Jasper				Red liver colored jasper with hematite spherules	Northern Virginia
Longview Chert Knox variation				Primarily reddish, but white to gray colors do occur	Western Virginia	Longview Member of the Knox formation
Luray Jasper				Maroon red with epidote inclusions	Northern Virginia
Macot Dolomite / Chert				Ranges from white to a light to medium gray with with mottling or streaking ranging from pink to red or green	Western Virginia	Mascot Dolomite Formation of the Newala Group
Mitchell Chert				Ranges from white to dark brown with the most common colors being from a light cream to yellow, light gray to blue, and pink to violet.	Southeastern Virginia
Mogothy Quartzite AKA: Magothy Quartzite				Ranges in color from gray to bluish gray or purple, banding or mottling may be present.  Small fossils may give a peppered appearance.	Northeastern Virginia	Mogothy Formation
Morrow Mountain Rhyolite AKA: Uwharrie Rhyolite				Homogeneous dark gray to black and many shades of green, flow banding may be present.	South central Virginia
Mount Rodgers Rhyolite				Ranges in color from a dark white to gray and light pink to purple with banding being present	Southwestern Virginia	Mount Rodgers Formation
Newman Chert				Ranges in color from  yellow to tan, red, and orange	Western Virginia	Newman Limestone formation
New Market Chert AKA: Row Park Chert				Ranges from a dark gray to black.	Virginia, West Virginia, Pennsylvania, Maryland	New Market Limestone Formation of the St. Paul Group
New Scotland Chert AKA: Corriganville Chert				Ranges from a white to very light colors.	Northern Virginia	New Scotland Formation (Corriganville Formation) of the Helderberg Group
Nittany Chert				Ranges from a medium to dark gray with siliceous oolites.  Red jasper also occurs in this formation.	Pennsylvania, Maryland, Virginia, West Virginia	Nittany Dolomite Formation, Beekmantown Group
Nottoway River Quartzite				Two variations, one is a light blue and the other is a root beer brown.	Southern Virginia
Oriskany Solicified Sandstone				White	Northern Virginia	Oriskany Sandstone Formation
Orthoquartzite (Generic type)				Varies	North America	Varies
Patuxent - Mattaponi Quartzite AKA: Mattaponi Quartzite				Ranges from gray to a white, light yellow, pink or red.  range sin color from a dark white to gray,  cream to yellow, and pink to red.	Northwestern Virginia	Patuxent / Mattaponi Formation
Patton Chert				Ranges from a dark gray to black.	Western Virginia	Patton Limestone Member of the Greenbrier Limestone Formation
Pinesburg Station Chert				Ranges from a white to very light gray.	Northern Virginia	Pinesburg Station Formation of the Beekmantown Group
Point of Rocks Jasper				Ranges from a mustard yellow to a yellowish brown with grays also occurring.	Northeastern Virginia
Poteet Chert				Ranges from a dark olive gray to olive black.	Western Virginia	Poteet Limestone Formation
Quartz				Milky white with thin veins	North America
Quartzite				Varies from white to gray, or pink and tan in color	North America
Rhyolite				Gray to grayish black, flow banding may be present alternating from light to darker gray	Eastern North America
Rich Patch Chert				Primarily a light to dark gray, but white to pink, cream, brown and grayish browns occur.	Northwestern Virginia
Ridgely Quartzite				Ranges from white to a light tan or a medium gray or pink.	Northern Virginia	Ridgely Sandstone Member of the Oriskany Formation
Rockdale Run Chert				Ranges from a light to medium gray.	Northern Virginia	Rockdale Run Limestone Formation of the Beekmantown Group
Rose Hill Quartzite AKA: Ferruginous Quartzite, Hematitic Sandstone				Ranges in color from a brownish purple to a medium purple or a blood red.	Northwestern Virginia	Rose Hill Formation
Runion Agate				Black to brown plume agate	Northern Virginia
Shear Zone Chalcedony (Mylonite)				Ranges from a translucent white to yellow, pink, or orange and commonly has inclusions or patches of green or gray.	Northwestern Virginia
Shady Chert				Ranges from a bluish gray to a yellowish gray blue, or white with mottling commonly present.	Western Virginia	Shady Dolomite Formation
Shiver Chert				Ranges in color from a medium gray to black	Northern Virginia	Shiver Formation of the Helderberg Group
Sideling Hill Chert				Ranges from a grayish blue to a medium to dark gray or white.  Streaking or banding may be present.	Northwestern Virginia	Probably New Creek Limestone Formation (Coeymans Formation).
Sinks Grove Chert Greenbreir Chert variation				Black weathering gray.	Western Virginia	Sinks Grove Limestone Member of the Greenbrier Limestone Formation
Skidmore Island Chert				Homogenous and ranges from a white to a cream or light tan	Eastern Virginia	Unknown formation
Stonehenge Chert AKA: Stonehenge - Chepultepec Chert				Ranges from a dark gray to black.	Northern Virginia	Stonehenge Limestone Formation of the Beekmantown Group
Tomstown Chert				Ranges from beds of bluish gray to a yellowish gray blue, or white with mottling commonly present and nodules of white.	Northern Virginia	Tomstown Dolomite Formation
Trading Run Chert				Light color ranging from a mottled white to gray, cream to yellow, and pinks with iron staining commonly present.	Northern Virginia	Helderberg Formation
Tuscarora Quartzite AKA: Massanutten Quartzite				White and gray	Northern Virginia	Tuscarora Quartzite Formation of the Judy Gap Group
Unakite				Mottled green and pink	Virginia
Virginia Beach Jasper				Ranges from a brownish yellow to a light yellowish tan, gray, or red.	Southeastern  Virginia	Tabb Formation
Waynesboro Chert AKA: Rome Chert				Ranges from a very dark gray to black	Northwestern Virginia	Waynesboro Limestone Formation (Rome Limestone Formation)
Weverton Quartzite				Feldspathic and ranges from a grayish white to medium light gray.	Northwestern Virginia	Buzzard Knob Member of the Weverton Quartzite Formation, Chilhowee Group
Woodway Chert				Ranges from a dark gray to olive black.	Western Virginia	Woodway Limestone Formation