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Bararite & Cryptohalite

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SKY890816

Bararite & Cryptohalite

Type Locality

Description Tabs

Description
Locality: 
Northumberland County, Pennsylvania, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.7 × 1.2 cm
Description

Outstanding colorless and yellow crystals (tinted of yellow by selenium)  of the extremely rare ammonium silicofluoride minerals baratite and cryptohalite and from a locality in Pennsylvania.

Baratite and cryptohalite are two of the very few minerals that are at the same time organic(NH4) and inorganic minerals (SiF6) !

Ex Vandenbroucke Museum collection from Waregem, Belgium.

No duplicates available

Mineral Data
What's on the rock

Bararite

Formula: 
(NH4)2[SiF6]
Strunz: 
3.CH.10
Crystal System: 
Hexagonal
Hardness: 
2.5
Type Locality: 
Barari Colliery, Jharia Coalfield, Bihar, India

Cryptohalite

Formula: 
(NH4)2[SiF6]
Strunz: 
3.CH.15
Crystal System: 
Isometric
Hardness: 
2.5
Type Locality: 
Mt Vesuvius, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Seller Information

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