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Sugilite & Katayamalite

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SHS92683

Sugilite & Katayamalite

Description Tabs

Description
Locality: 
Iwagi Island, Setonaikai, Ehime Prefecture, Japan
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.8 × 2.4 × 2 cm
Description

Sugilite in katayamalite (uv!)

Mineral Data
What's on the rock

Sugilite

Formula: 
K(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
Strunz: 
9.CM.05
Crystal System: 
Hexagonal
Hardness: 
6.0 - 6.5
Type Locality: 
Iwagi Island, Inland Sea (Setonaikai), Ehime Prefecture, Japan

Katayamalite

Formula: 
KLi3Ca7Ti2(SiO3)12(OH)2
Strunz: 
9.CJ.25
Hardness: 
0.0
Type Locality: 
Iwagi Island, Inland Sea (Setonaikai), Ehime Prefecture, Japan