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Datolite & Quartz

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BMM716588

Datolite & Quartz

Description Tabs

Description
Locality: 
Bor Pit, Dalnegorsk, Primorskiy Kray, Russian Federation
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 7 × 3.2 cm
Description

Doubly terminated, short prismatic bright smoky quartz crystal (Cumberland habit) in combination with bright green datolite and lustrous etched calcite. The datolite shows an excellent shine and the quartz crystal is also highly glossy

Mineral Data
What's on the rock

Datolite

Formula: 
Ca(HBSiO5)
Strunz: 
9.AJ.20
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Nødebro Mine (Nøddebro), Arendal Iron Mines, Arendal, Aust-Agder, Norway

Quartz

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