Rocks, Minerals & Fossils

Discoidal First Image

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Discoidal First Image

Discoidal

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2 3/16" Biscuit Discoidal, Found Between 1968- 2023 By Jeff Thompson in Camden County Georgia (1 of 8)

2 3/16" Biscuit Discoidal, Found Between 1968- 2023 By Jeff Thompson in Camden County Georgia

Heartland Artifact Auctions

Feb 15, 2026

2" X 9/16" Inscribed Discoidal, Motley COA, Found in Adams Co. OH. (1 of 9)

2" X 9/16" Inscribed Discoidal, Motley COA, Found in Adams Co. OH.

Heartland Artifact Auctions

Feb 15, 2026

2 3/16" Biscuit Discoidal, Found Between 1968- 2023 By Jeff Thompson in Camden County Georgia (1 of 5)

2 3/16" Biscuit Discoidal, Found Between 1968- 2023 By Jeff Thompson in Camden County Georgia

Heartland Artifact Auctions

Feb 15, 2026

3 1/4" X 1 3/4" Biscuit Discoidal, Motley COA, Found in Lee Co, IA. (1 of 11)

3 1/4" X 1 3/4" Biscuit Discoidal, Motley COA, Found in Lee Co, IA.

Heartland Artifact Auctions

Feb 15, 2026

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4 13/16" Double Cupped Quartz Discoidal. Ex-Clem (1 of 7)

4 13/16" Double Cupped Quartz Discoidal. Ex-Clem 4 13/16" Double Cupped Quartz Discoidal. Rhea Co, TN. Ex-Clem Caldwell, Dr. T. Hugh Young, Barnes collections. Found in 1923 on Hiwassee Island. Symmetrical, well made. Pictured in WW#11, p129. Putty

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4 1/2" Tennessee Cupped Discoidal. Stewart Co, TN. Excellent condition (G10). Dimpled in center. (1 of 6)

4 1/2" Tennessee Cupped Discoidal. Stewart Co, TN. Excellent condition (G10). Dimpled in center.4 1/2" Tennessee Cupped Discoidal. Stewart Co, TN. Excellent condition (G10). Dimpled in center. Very symmetrical. Highly polished orange hardstone (Quartzite). Pictured in Who's Who #12, p668

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4" Quartz Discoidal. Obion Co, TN. Ex Townsend, Thompson (1 of 2)

4" Quartz Discoidal. Obion Co, TN. Ex Townsend, Thompson 4" Quartz Discoidal. Found in Obion County, Tennessee. Ex Earl Townsend, Jr., Ben Thompson, John Morrison, Ross Vogler and Zach Smith

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5 3/4" Double Dimple Quartz Discoidal. Pickett Co, TN. G10. Ex-Tom Davis, Jan Sorgenfrei (1 of 5)

5 3/4" Double Dimple Quartz Discoidal. Pickett Co, TN. G10. Ex-Tom Davis, Jan Sorgenfrei 5 3/4" Double Dimple Quartz Discoidal. Pickett Co, TN. Red and tan Quartz. Excellent symmetry. G10. Ex-Tom Davis, Jan Sorgenfrei

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6 1/2" Cupped Discoidal. Pictured in 1948 Illinois (1 of 6)

6 1/2" Cupped Discoidal. Pictured in 1948 Illinois 6 1/2" Cupped Discoidal. Mercer Co, IL. Excellent polish and symmetry. Ex-Russell P. Neuwerk. Well pictured in 1948 Illinois Archeological Journal (April, p34). Davis G10 COA

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4 7/16” Double Cupped Tennessee Discoidal. IN. Ex Knoblock, Bunch and Beutell. Davis COA. (1 of 6)

4 7/16” Double Cupped Tennessee Discoidal. IN. Ex Knoblock, Bunch and Beutell. Davis COA.4 7/16” Double Cupped Tennessee Discoidal. Very Well Made Example. Great Polish and Nice Color. Jefferson County, Indiana. Ex Knoblock, Dr. Bunch and T. Beutell. T. Davis COA.

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5 5/8" Quartz Double Cupped Discoidal. Greene Co, TN. (1 of 6)

5 5/8" Quartz Double Cupped Discoidal. Greene Co, TN.5 5/8" Quartz Double Cupped Discoidal. Greene Co, TN. Excellent symmetry and balance. High grade Quartz. Ex-Kevin Pipes, Jack Roberts. 11/4/16: Added additional photos

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3 5/16" Cupped Discoidal. Fulton Co, IL. Jersey Bluff (1 of 5)

3 5/16" Cupped Discoidal. Fulton Co, IL. Jersey Bluff 3 5/16" Cupped Discoidal. Fulton Co, IL. Jersey Bluff variant. G10 with excellent symmetry. Finely polished green Hardstone (Granite). Excellent condition. Ex-Gary Cuckler, Steve Repp

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3" Gold Quartz Cupped Discoidal. Benton Co, TN. (1 of 6)

3" Gold Quartz Cupped Discoidal. Benton Co, TN.3" Gold Quartz Cupped Discoidal. Benton Co, TN. Nearly flawless with excellent polish and symmetry. Quite a little showpiece. Ex-Gary Cuckler, Bruce Filbrandt, Dennis DeRosear. Featured on the introdu

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5 1/8" Quartz Cupped Discoidal. Obion Co, TN. Ex-Bud (1 of 2)

5 1/8" Quartz Cupped Discoidal. Obion Co, TN. Ex-Bud 5 1/8" Quartz Cupped Discoidal. Obion Co, TN. Ex-Bud Groves. Good symmetry, very fine condition

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4" Double Dimple Discoidal. Haywood Co, TN. Rose (1 of 5)

4" Double Dimple Discoidal. Haywood Co, TN. Rose 4" Double Dimple Discoidal. Haywood Co, TN. Rose Quartz. Ex-Stanley Grant, Heye Museum, Byron Knoblock. Excellent condition. Pictured in Knoblock's 1980 sale catalog. Putty G10 and Partain COAs. 10/24

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5" Double Dimpled Discoidal. Tennessee. Caddo (1 of 6)

5" Double Dimpled Discoidal. Tennessee. Caddo 5" Double Dimpled Discoidal. Tennessee. Made of a finely polished Hardstone. Very well made, excellent symmetry. G10. Caddo Trading COA

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A Quartz Discoidal (1 of 3)

A Quartz Discoidal Mississippian Culture, Late Prehistoric Period, A.D. 1000-1500diameter 3 in. This discoidal has a shallow “dimple” in the center of the cup. Provenance: Publications: Gerber, Art, The Art Gerber S

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4 1/4" Conglomerate Discoidal. Northern AL. (1 of 5)

4 1/4" Conglomerate Discoidal. Northern AL.4 1/4" Conglomerate Discoidal. Northern AL. Elliptical style. Excellent symmetry. Some old material pitting. Fine display. Ex-Robert Bourden

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3 13/16" Jersey Bluff Discoidal. Vivid red and white (1 of 6)

3 13/16" Jersey Bluff Discoidal. Vivid red and white 3 13/16" Jersey Bluff Discoidal. Jersey Co, IL. Excellent symmetry. Vivid red and white Quartz, nicely polished. Ex-Gary Cuckler, Tom Davis. Davis G10 COA

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5 1/2" Double Dimple Discoidal. Ballard Co, KY. (1 of 7)

5 1/2" Double Dimple Discoidal. Ballard Co, KY.5 1/2" Double Dimple Discoidal. Ballard Co, KY. Conglomerate. Well made, fine condition. Well polished. Ex-Matt Roos, Bob Converse, Dr. Stan Copeland. Jackson G9+ COA

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3 5/8" Dimpled Biscuit Discoidal. Decatur Co, TN. (1 of 2)

3 5/8" Dimpled Biscuit Discoidal. Decatur Co, TN.Highly colored 3 5/8" Dimpled Biscuit Discoidal. Decatur Co, TN. High grade of Quartz. Very fine. Ex-Dr. Cushman

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Outstanding Porphyry Double Dished Discoidal (1 of 7)

Outstanding Porphyry Double Dished Discoidal Great color, Use wear and finger polish, Found in Schuyler Co Illinois, Ex D. DeRosear, Well Made, Great use wear on the edges, 3 3/16" x 1 1/2"https://www.youtube.com/watch?v=f37rh5KGskA

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Great Quartz Jersey Bluff Discoidal (1 of 6)

Great Quartz Jersey Bluff Discoidal Nice deep cupped Jersey Bluff Discoidal, Well made, Found in Jersey Co Illinois, 3" x 1 1/2" https://www.youtube.com/watch?v=HRznSbBXs5o

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A White Quartz Discoidal (1 of 3)

A White Quartz Discoidal Mississippian Culture, Late Prehistoric Period, A.D. 1000-1500diameter 3.25 in.

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5" Perforated Cahokia Style Discoidal. IL. Spotted (1 of 8)

5" Perforated Cahokia Style Discoidal. IL. Spotted 5" Perforated Cahokia Style Discoidal. Kane Co, IL. Nicely polished Poprhyry. Excellent symmetry, very fine condition. Ex-Dr. John Mountjoy, Byron Anderson. Pictured in Who's Who #12, p495. Featured o

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6" Double Dimple Cupped Discoidal. Knox Co, IN. Ex Pat Evans (1 of 2)

6" Double Dimple Cupped Discoidal. Knox Co, IN. Ex Pat Evans 6" Double Dimple Cupped Discoidal. Polished Hardstone. Knox Co, IN. Ex Pat Evans

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3 3/4" Discoidal. IL. Looks like polished flint. (1 of 2)

3 3/4" Discoidal. IL. Looks like polished flint.3 3/4" Discoidal. IL. Looks like polished flint. Well cupped. Ex-Gerald Bernacchi

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4 15/16" Jersey Bluff Discoidal. IL. Granite. G10 (1 of 5)

4 15/16" Jersey Bluff Discoidal. IL. Granite. G10 4 15/16" Jersey Bluff Discoidal. IL. Granite. G10 example, symmetrical in all respects. Pictured in Legends of Prehistoric Art I, p204 (shelf). Can also be seen in WW#3, p293. Ex-Matt Roos. Putty and

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