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Deweylite Desautelsite & Hydromagnesite

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CLB557361

Deweylite Desautelsite & Hydromagnesite

Classic Locality

Description Tabs

Description
Locality: 
Cedar Hill Quarry, Fulton, Lancaster County, Pennsylvania, United States of America
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
11.3 × 6.7 × 5 cm
Description

Acicular, radiating glossy white crystals of hydromagnesite with brown desautelsite micro crystals and green deweylite on the back of the specimen.

There seem to be more species on the piece.

Mineral Data
What's on the rock

Desautelsite

Formula: 
Mg6Mn3+2(OH)16[CO3]·4H2O
Strunz: 
5.DA.50
Hardness: 
2.0
Type Locality: 
Cedar Hill Quarry (Stoltzfuss Quarry), Fulton Township, State Line Chromite District, Lancaster Co., Pennsylvania, USA

Hydromagnesite

Formula: 
Mg5(CO3)4(OH)2·4H2O
Strunz: 
5.DA.05
Crystal System: 
Monoclinic
Hardness: 
3.5
Type Locality: 
Castle Point, Hoboken, Hudson Co., New Jersey, USA

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