Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Sapphirine & Mullite

Views:
Watches:
SHS136692

Sapphirine & Mullite

Description Tabs

Description
Locality: 
Loch Scridain, Isle of Mull, Scotland, United Kingdom
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3 × 1.9 cm
Description

Blueish sapphirine and pink mullite in matrix

Mineral Data
What's on the rock

Sapphirine

Formula: 
(Mg,Fe)4-xAl4+x[Al4+xSi2-xO18]O2
Strunz: 
9.DH.45
Hardness: 
7.5
Type Locality: 
Fiskenæsset old harbour, Fiskenæsset (Fiskenaesset; Qeqertarsuatsiaat), Nuuk (Godthåb), Sermersooq, Greenland

Mullite

Formula: 
Al4+2xSi2-2xO10-x
Strunz: 
9.AF.20
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 7.0
Type Locality: 
Seabank Villa, Isle of Mull, Strathclyde (Argyllshire), Scotland, UK