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Aragonite With Quartz

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PCZ751736

Aragonite With Quartz

Description Tabs

Description
Locality: 
Dillenburg District, Giessen Region, Hesse, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 4.5 × 2.5 cm
Description

An atractive specimen with numerous sprays of sharp, white, aragonite crystals on both sides of the matrix. A few transparent, terminated quartz crystals are also present. 

Mineral Data
What's on the rock

Aragonite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.15
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Type Locality: 
Gallo river, Molina de Aragón, Guadalajara, Castile-La Mancha, Spain

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
Peter Crozier Minerals