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Hyalite Topaz & Smoky Quartz

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CSW138537

Hyalite Topaz & Smoky Quartz

Fluorescent

Description Tabs

Description
Locality: 
Diamond Rocks, Mourne Mountains, County Down, Northern Ireland, United Kingdom
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 5 × 3.3 cm
Description

Miaoritic cavities in granite matrix with a very rare combination of clear/white bubbly hyalite opal in association with a cluster of 3 small, transparent topaz crystals. Some nice smoky quartz and albite feldspar crystals are also present. Under short wave UV light the hyalite opal shows a very bright green colour and the albite crystals a nice deep pink colour. The UV photo was taken under an 8W SW lamp.

Mineral Data
What's on the rock

Hyalite

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

Topaz

Formula: 
Al2(SiO4)(F,OH)2
Strunz: 
9.AF.35
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
8.0
Streak: 
White

Smoky Quartz

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
SiO2
Hardness: 
0.0

Seller Information

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Seller's terms and conditions

Thank you for viewing my auctions. It goes without saying that maintaining high standards in both specimen quality and customer service are extremely important to me. If for any reason you are not happy with any aspect of your transaction then please let me know as soon as possible, ideally within 1 week of receiving your specimen. I will happily do all in my power to resolve the situation to your satisfaction. If your specimen is damaged upon delivery simply send me some photos to verify this and I'll provide you with a full refund or a replacement specimen, whichever you prefer.