AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from South Dakota > Robertsite with Whitlockite

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Robertsite with Whitlockite from Tip Top Mine, Custer County, South Dakota (Type Locality for Robertsite)

 
Robertsite with Whitlockite from Tip Top Mine, Custer County, South Dakota (Type Locality for Robertsite)

Robertsite with Whitlockite from Tip Top Mine, Custer County, South Dakota (Type Locality for Robertsite)

Robertsite with Whitlockite from Tip Top Mine, Custer County, South Dakota (Type Locality for Robertsite)

Robertsite with Whitlockite from Tip Top Mine, Custer County, South Dakota (Type Locality for Robertsite)

DESCRIPTION:No. 73914
Mineral:Robertsite with Whitlockite
Locality:Tip Top Mine, Custer County, South Dakota (Type Locality for Robertsite)
Description:Dark brown-black robertsite microcrystals in hemispherical aggregates in a small cavity in dark red-brown crystallized phosphate matrix and a colorless transparent whitlockite crystal in a small cavity. Ex. Willard Bill L. Roberts (1923-1987), author Mineralogy of the Black Hills (mineral namesake)
Overall Size:19x13x11 mm
Crystals:micro
Status: Sold - Posted here for reference only
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