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Sugilite & Richterite

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RAF33578

Sugilite & Richterite

Description Tabs

Description
Locality: 
Wessels Mine, Hotazel, Kalahari, Northern Cape Province, South Africa
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 2.8 × 1.3 cm
Description

Beautiful grape-purple sugilite gel with blue richterite and a small amount of manganese visible.  

Three of the photos were taken with the specimen dry. The other three with the specimen wet. [code: A423]

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

Richterite

Formula: 
{Na}{CaNa}{Mg5}(Si8O22)(OH)2
Strunz: 
9.DE.20
Hardness: 
5.0 - 6.0
Streak: 
White
Type Locality: 
Långban, Filipstad, Värmland, Sweden