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Hyalite Topaz & Aquamarine

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Hyalite Topaz & Aquamarine

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Description
Locality: 
Diamond Rocks, Mourne Mountains, County Down, Northern Ireland, United Kingdom
Size Range: 
Miniature (4.5-7 cm)
Size: 
3 × 4.5 × 3 cm
Description

A very rare locality specimen showing a combination of 3 uncommon to rare minerals. Transparent bubbly hyalite opal can be seen on one face of a smoky quartz crystal close to a transparent terminated topaz crystal. Also present is a partial blue green aquamarine crystal. The hyalite opal shows a bright green colour under short wave UV light with the feldspar matrix showing a velvet red colour.

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

Aquamarine

Variety Of: 

Beryl

Formula: 
Be3Al2(Si6O18)
Strunz: 
9.CJ.05
Hardness: 
7.5 - 8.0
Formula: 
Be3Al2Si6O18
Hardness: 
0.0
Colour: 
Blue
Streak: 
White

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

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. 

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