Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Nestolaite & Cobaltomenite

Views:
Watches:
JYJ747468

Nestolaite & Cobaltomenite

Description Tabs

Description
Locality: 
Little Eva Mine, Yellow Cat Mesa, Grand County, Utah, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 0.8 × 0.9 cm
Description

Almost colourless SEM-EDS confirmed nestolaite associated with cobaltomenite on sandstone matrix. 

Analysis attached. 

 

Mineral Data
What's on the rock

Nestolaite

Formula: 
CaSeO3·H2O
Hardness: 
2.5 - 0.0
Streak: 
White
Type Locality: 
Little Eva Mine, Yellow Cat District (W. part of Thompsons District), Grand Co., Utah, USA

Cobaltomenite

Formula: 
CoSeO3·2H2O
Strunz: 
4.JH.10
Crystal System: 
Monoclinic
Hardness: 
2.0 - 2.5
Streak: 
dark pink
Type Locality: 
Cerro de Cacheuta, Sierra de Cacheuta, Mendoza, Argentina
Analysis
Analysis Report - only: Nestolaite & Cobaltomenite
Analysis Report - only: Nestolaite & Cobaltomenite