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Kamphaugite-(Y)

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GFM613827

Kamphaugite-(Y)

Rare Mineral

Description Tabs

Description
Locality: 
Eureka Tunnel, St Peters Dome, Cheyenne District, El Paso County, Colorado, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 2.8 × 1.8 cm
Description

this normally quite uncommon Y-Ca-Carbonate occurs here as massive red-brownish aggregates of 1,5cm. The aggregates are formed of tiny intergrown radial acicular crystals. Very rich specimens from a new find

Mineral Data
What's on the rock

Kamphaugite-(Y)

Formula: 
Ca(Y,REE)(CO3)2(OH)·H2O
Strunz: 
5.DC.10
Crystal System: 
Tetragonal
Hardness: 
2.0 - 3.0
Streak: 
White
Type Locality: 
Hørtekollen, Sylling, Lier, Buskerud, Norway