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Pentagonite

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BCK597469

Pentagonite

Type Locality

Description Tabs

Description
Locality: 
Owyhee Dam, Lake Owyhee State Park, Malheur County, Oregon, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.2 × 1 cm
Description

You are bidding on a small sample hosting hundreds of needles of pentagonite from the type locality. Specimens this rich from Owyhee Dam are very rare. The twinning on the crystal tips is very evident. Old material! My camera has problems with this much blue!

Mineral Data
What's on the rock

Pentagonite

Formula: 
Ca(VO)Si4O10·4H2O
Strunz: 
9.EA.55
Hardness: 
3.0 - 4.0
Type Locality: 
Owyhee Dam, Lake Owyhee State Park, Malheur Co., Oregon, USA

Seller Information

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