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Quartz On Goethite

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RPL961885

Quartz On Goethite

Fluorescent

Description Tabs

Description
Locality: 
Whatley Quarry, Wells, Mendip, Somerset, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.5 × 6 × 4 cm
Largest Crystal: 
0.70cm
Weight: 
83.00gr
Description

Well-formed clear quartz crystals on black goethite micro crystal layer over two conjoined calcite crystals. The calcite visible on the base fluoresces bright orange.  

Mineral Data
What's on the rock

Quartz

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

Goethite

Formula: 
α-Fe3+O(OH)
Strunz: 
4.00.
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Type Locality: 
Hollertszug Mine (Hollerter Zug Mine), Dermbach, Herdorf, Siegerland, Rhineland-Palatinate, Germany

Seller Information

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