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Schoonerite

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BCK123721

Schoonerite

New Discovery

Description Tabs

Description
Locality: 
White Cap Mine, Keystone, Pennington County, South Dakota, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 1.3 × 1.5 cm
Description

A small matrix piece with abundant lathes of rare schoonerite on rockbridgeite from a relatively new find for the mineral at the White Cap Mine.

Mineral Data
What's on the rock

Schoonerite

Formula: 
ZnMn2+Fe2+2Fe3+(PO4)3(OH)2·9H2O
Strunz: 
8.DB.15
Hardness: 
4.0
Type Locality: 
Palermo No. 1 Mine (Palermo No. 1 pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USA

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