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Titanian Augite & Nepheline

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Titanian Augite & Nepheline

Classic Locality

Description Tabs

Description
Locality: 
Scawt Hill, Larne, County Antrim, Northern Ireland, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 2.8 × 1.1 cm
Weight: 
14.00gr
Description

A rock specimen consisting of dark titanaugite crystals in association with light grey nepheline from a locality famous for its unusual suite of minerals, formed by metasomatic action of a dolerite intrusion on limestone (chalk) country rock.

Mineral Data
What's on the rock

Titanian Augite

Variety Of: 

Augite

Formula: 
(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Strunz: 
9.DA.15
Hardness: 
5.5 - 6.0
Formula: 
(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Hardness: 
0.0
Colour: 
Black
Streak: 
Black

Nepheline

Formula: 
(Na,K)AlSiO4
Strunz: 
9.FA.05
Hardness: 
5.5 - 6.0
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy

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. 

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