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Calcite With Quartz

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PDM860170

Calcite With Quartz

Description Tabs

Description
Locality: 
Bu Craa, Laâyoune Province, Laâyoune-Sakia El Hamra Region, Morocco
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
12.6 × 11.2 × 7.8 cm
Weight: 
713.00gr
Description

Spheroidal geode of white to transparent quartz that surpass 700g of weight with the central area of the geode richly filled by rounded lustrous calcite crystals of a light yellow colour, that are completely free of damages. These geodes are found in the phosphate mines of Bu Craa, and the external part of these geodes is rich in UV fluorescent phosphate minerals.

Found in 2015.

Mineral Data
What's on the rock

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Quartz

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

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