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Quartz

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BRT619360

Quartz

Description Tabs

Description
Locality: 
Maratoto Mine, Paeroa, Hauraki, Waikato Region, North Island, New Zealand
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
5.8 × 8.8 × 6.2 cm
Largest Crystal: 
4.20cm
Weight: 
193.00gr
Description

Prismatic quartz crystals with partially developed 'septors' on quartz matrix with selvage of altered andesite. One of the crystals is lightly stained by iron oxyhydroxides. The cryptocrystalline quartz matrix is porous and has small casts of bladed calcite, since dissolved.

Mineral Data
What's on the rock

Quartz

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

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