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Niahite & Mcallisterite

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BCK677299

Niahite & Mcallisterite

Howard Belsky collection
Rare Mineral

Description Tabs

Description
Locality: 
Sterling Hill, Ogdensburg, Sussex County, New Jersey, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 1.9 × 1 cm
Description

You are bidding on an extremely rare sample from Sterling Hill with a fracture surface covered in acicular white needles of extremely rare niahite and minute white plates of mcallisterite from this exceedingly rare occurence. From the Howard Belsky and George Elling collections. 

Mineral Data
What's on the rock

Niahite

Formula: 
(NH4)(Mn2+,Mg)(PO4)·H2O
Strunz: 
8.CH.20
Hardness: 
0.0
Type Locality: 
Niah Great Cave (Gunong Jerneb), Sarawak, Borneo Island, Malaysia

Mcallisterite

Formula: 
Mg2[B6O7(OH)6]2·9H2O
Strunz: 
6.FA.10
Hardness: 
2.5
Streak: 
white
Type Locality: 
Mott prospect (Mott Colemanite prospect; Mott open cut), Twenty Mule Team Canyon, Furnace Creek District (Furnace Creek Borate District; Death Valley Area Borate Deposits; Ryan area), Inyo Co., California, USA

Seller Information

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