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Tinsleyite

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CHP842175

Tinsleyite

Classic Locality

Description Tabs

Description
Locality: 
Bendada Mines, Bendada, Sabugal, Guarda District, Portugal
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.4 × 2 × 1.8 cm
Description

specimen with some very nice yellow crystalline aggregates of tinsleyite on matrix.

c. 1719

Mineral Data
What's on the rock

Tinsleyite

Formula: 
KAl2(PO4)2(OH)·2H2O
Strunz: 
8.DH.10
Hardness: 
5.0
Type Locality: 
Tip Top Mine (Tip Top pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA

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