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Zaratite With Chromite

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LGM684260

Zaratite With Chromite

Ex Dr. Krantz, Bonn, Germany
With Antique Label

Description Tabs

Description
Locality: 
Unknown - Pennsylvania, Pennsylvania, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.5 × 5.5 × 2 cm
Weight: 
66.00gr
Description

Zaratite is a secondary nickel carbonate of uncertain and apparently variable composition. The specimen hosts green crusts of zaratite on massive chromite matrix, associated with turquoise-blue hydromagnesite. There is something which looks like a platy crystal (see pic 2).

Comes with beautiful old label. "Nickelsmaragd" is an old german synonym for zaratite - Dana 6th, 306 (1892).
This specimen is very likely from Wood's Chrome Mine, Texas, Little Britain Township, State Line Chromite District, Lancaster Co., Pennsylvania, USA.

Mineral Data
What's on the rock

Zaratite

Formula: 
Ni3CO3(OH)4·4H2O
Strunz: 
5.DA.15
Crystal System: 
Isometric
Colour: 
Green
Type Locality: 
Manolita mine, Teixidelo, La Coruña, Galicia, Spain

Chromite

Formula: 
Fe2+Cr3+2O4
Strunz: 
4.BB.05
Hardness: 
5.5
Colour: 
Black
Streak: 
Brown
Type Locality: 
Bastide de la Carrade, Gassin, Var, Provence-Alpes-Côte d'Azur, France...

Seller Information

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