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Xonotlite & Spurrite

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CSW194059

Xonotlite & Spurrite

Ex Harry J. Foy Collection
Classic Locality

Description Tabs

Description
Locality: 
Carneal, Glenoe, County Antrim, Northern Ireland, United Kingdom
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 3 × 2.5 cm
Description

This is a very rare locality specimen from the late Harry J. Foy Collection showing elongated colourless xonotlite crystal developments in a spurrite matrix. Carneal Plug is one of just 2 County Antrim localities (Scawt Hill is the other) which display this very usual suite of silicate minerals. This specimen was collected by the late Harry J, Foy who contributed hugely to the knowledge of Irish minerals. He collected from the mid 1960's until ill health forced him to stop in the late 1990's.

Mineral Data
What's on the rock

Xonotlite

Formula: 
Ca6(Si6O17)(OH)2
Strunz: 
9.DG.35
Crystal System: 
Monoclinic
Hardness: 
6.5
Type Locality: 
Tetela de Xonotla, Puebla, Mexico

Spurrite

Formula: 
Ca5(SiO4)2(CO3)
Strunz: 
9.AH.15
Hardness: 
5.0
Streak: 
white
Type Locality: 
Terneras Mine, Velardeña, Velardeña District, Mun. de Cuencamé, Durango, Mexico

Seller Information

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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.