Name	Natural	Non-heat treated points	Heat treated points	Color details	Primary found in:	Associated Formation / Member
Ajibik Quartzite AKA: Kakabeka Quartzite				Ranges from a light gray to a flesh or tan color.  Commonly  stained spots that range from tan to yellow, or a reddish brown	Northern Wisconsin	Lower Marquette series
Alma Quartzite Variations: Buffalo County Quartzite and Lacross County Quartzite				Range from white to purple (Alma Quartzite), to an off white to a tan (Lacross variation), or tan to brown (Buffalo variation).	West central Wisconsin
Arcadia Ridge Orthquartzite				Ranges in color from a tannish white to a light tan	West central Wisconsin
Banded Jasper				Multi colored with red banding	Northwestern Wisconsin
Baraboo Quartzite				Varying shades of pink to red or maroon banded with lighter pinks and whites	Southwestern Wisconsin
Barron County Pipestone				Ranges in color from a homogenous pink to red.	Central to northwestern Wisconsin
Barron County Quartzite				Ranges in color from a light yellow to a pale purplish pink.  Striping, banding, or staining may be present	Northwestern Wisconsin
Bayport Chert				Varies from light brown to a medium gray.  White quartz inclusions can form white clouds or bulls eye forms in the material, Banding may be present.	East central Wisconsin	Bayport Limestone formation
Bessemer Quartzite					Northern Wisconsin	"Nopeming formation", Puckwunge formation, Osier Group
Blair Creek Basalt				Dark gray in color	Northern Wisconsin	Blair Creek formation, Menominee Group
Blanding Chert Silurian Chert variant				Ranges from white to gray with faint bands of pale yellow, brown, and orange	Southwestern Wisconsin	Blanding formation
Bois Blanc Formation Chert				Color ranging from almost white to grays, browns, and blues	Northeastern Wisconsin	Bois Blanc Formation Limestone
Buffalo County Quartzite Alma Quartzite variant				Range from a tan to brown	West central Wisconsin
Cedar Valley Chert Rapid Chert				Translucent ranging from a light to medium brown	Southwestern Wisconsin	Cedar Valley Formation, Rapid Member
Cedar Valley Jasper					Southwestern Wisconsin
Cochrane Chert				Ranges in color from a medium tan to a dark brown.  It is often banded or mottled.  Quartz inclusion may be present.	West central Wisconsin	Reedstown Member
Elwood Chert Elwood- Joliet Chert				Ranges from white to gray	Southern Wisconsin	Elwood formation
Flambeau Quartzite				Ranges from a reddish brown to a yellowish gray	Northern Wisconsin	Flambeau Quartzite Formation
Flow Banded Rhyolite					Wisconsin
Galena Chert Platteville-Galena Chert				Ranges from gray to light tones of brown ,mottles and swirls White specks of fossil fragments.  Small flat vugs may be present.	Southern Wisconsin	Platteville Dolomite formation
Grand Meadow Chert				Range from a light to medium gray and may be a solid color or mottled, may have a golden hue	West central Wisconsin
Harmilda Chert AKA: Bolingbrook Chert, Sugar Chert, Crystal Chert				Semi-transparent and region.  The Semi-translucent portion ranges from tan to gray and the opaque regions range from white to gray.	Southeastern Wisconsin	Silurian System
Hixton Silicified Sandstone / Quartzite AKA: Sugar Quartz				Range in color from white to tan (most common), but may vary from red to orange, lavender to brown, or yellows	Southwestern to central Wisconsin
Hopkinton Chert				Translucent light gray with white opaque mottling	Southwestern Wisconsin	Hopkinton Formation
Jasper Taconite Taconite Jasper AKA: Gun Flint				Deep red color to black or blue with darker small round inclusions.  The inclusion can vary in color from dark green, dark blue, or black	Northwestern Wisconsin	Gunflint Formation, Animikian Group
Joliet Chert Elwood- Joliet Chert				Ranges from white to gray	Southern Wisconsin	Joliet formation
Kankakee Chert AKA for Blanding Chert Silurian Chert variant				Ranges from white to gray with faint bands of pale yellow, brown, and orange	Southwestern Wisconsin	Blanding formation
Lacross County Quartzite Alma Quartzite variant				Range from an off white to a tan	West central Wisconsin
Lake Superior Agate				Range in color from a light to dark salmon or coral color with alternating bands of white or light yellow.  Colorless inclusions of quartz are often present.	Northern Wisconsin	Nebraska - Archean System
Lake Vermillion Chert					Northwestern Wisconsin	Lake Vermillion Formation
Maquoketa Chert AKA: Silurian 2 Chert				Ranges in color from a pale olive gray to a pale gray.  Banding or streaking may be present.	Southwestern Wisconsin	Maquoketa Formation
Marquette Rhyolite				Ranges in color from a medium to dark gray to a greenish gray color.	Central to east central Wisconsin
Oneota Chert AKA: Oneota Prairie de Chein Chert (lower)				Ranges from white to gray or yellowish or orange	Wisconsin	Lower Prairie de Chien Group,  Oneota formation
Platteville - Galena Chert Galena Chert				Ranges from gray to light tones of brown ,mottles and swirls White specks of fossil fragments.  Small flat vugs may be present.	Southern Wisconsin	Platteville Dolomite formation
Powers Bluff Quartzite				Pink in color	Central Wisconsin	Aprin Conglomerate formation of the Animikie Group
Prairie du Chein Chert				Mottled and ranges in color from an off white to a light cream	Southwestern Wisconsin	Prairie du Chein group
Racine Chert AKA: Engadine Chert				Ranges from a grayish white to a medium gray or bluish gray.  Mottling or streaks of bluish tints may be present	Wisconsin, Illinois	Racine Limestone Formation
Rib Mountain Quartzite AKA: Rib Hill Quartzite				Ranges from a white to a pale pinkish color	North central Wisconsin
Root River Chert / Jasperoid Cedar Valley Chert variation				Opaque and ranges in color from yellowish brown to dark brown or an ocher color with mottling	Southwestern Wisconsin	Cedar Valley Formation, Rapid Member.
Saugeen Chert Bois Blanc variation				Color ranging from very light almost white	Ontario, Michigan, and Wisconsin	Bois Blanc Formation
Selkirk Chert AKA: Dundee Chert				Range in color from light gray to yellowish gray, dark gray, , black or brown.  White to light gray bands or clouds are present	Northern Wisconsin	Dundee Limestone Formation
Shakopee Chert				Ranges from white to gray with contrasting banding	Central to southern Wisconsin	Shakopee Dolomite formation
Silurian Chert				Mottled or streaked chert ranging in color from white to a light cream or light gray	Northern Wisconsin	Mayville Limestone / Dolomite Formation
Silver Mound Silicified Quartzite Hixton Quartzite variant					Southwestern to south central Wisconsin	Wonewoc Formation
Starved Rock Chert AKA: LaSalle Chert Oneota Chert variation				Ranges from white to a light olive gray or gray and from a light brown to a light yellow with darker colored banding.	South central Wisconsin	Lower Prairie de Chien Group,  Oneota Formation
Thunder Mountain Quartzite AKA: McCaslin QUartzite				Grayish color.  It is considered a quartz rich graywacke.	East central Wisconsin	McCaslin syncline
Tyler Argillite				Ranges from gray to dark gray in color.	Northern Wisconsin	Tyler formation, Baraga Group
Utley Rhyolite				Grayish black with white intrusions of quartz.  Light pink tints may be present caused by feldspars	Southwestern Wisconsin
Waterloo Quartzite				Ranges from a light buff to a red.	South central Wisconsin
Waukesha Chert				Ranges from white to a bluish white or gray.	Southeastern Wisconsin	Wankesha Limestone Formation
Wewe Slate				Banded ranging from a gray to grayish green.	Northern Wisconsin	Chocolay Group