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Opal-AN On Quartz

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PJM137857

Opal-AN On Quartz

Description Tabs

Description
Locality: 
Stew Point, Rangitata Valey, Canterbury, South Island, New Zealand
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 2.8 × 2.7 cm
Description

A series of cavities in basalt are lined partly or completely with quartz crystals and botyroidal opal An

Mineral Data
What's on the rock

Opal-AN

Variety Of: 

Opal

Formula: 
SiO2·nH2O
Strunz: 
4.DA.10
Hardness: 
5.5 - 6.5
Formula: 
SiO2·nH2O
Hardness: 
5.5 - 6.5
Streak: 
white

Quartz

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

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All goods must be paid for prior to shipping, all bids are binding.