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Iimoriite-(Y)

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PDM656443

Iimoriite-(Y)

Rare Mineral

Description Tabs

Description
Locality: 
Prince of Wales Island, Ketchikan District, Alaska, United States of America
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 0.8 × 0.8 cm
Description

Cream coloured microcrystals of Iimoriite-(Y) from the Prince of Wales Island in Alaska. Acquired in 1987, the specimen is from the collection of Georges Vanacker*, a well-known Belgian systematic collector.

*Vanackerite (from Tsumeb) is named after him.

Mineral Data
What's on the rock

Iimoriite-(Y)

Formula: 
Y2[SiO4][CO3]
Strunz: 
9.AH.05
Crystal System: 
Triclinic
Hardness: 
5.5 - 6.0
Colour: 
Buff-tan
Streak: 
White
Type Locality: 
Suishoyama pegmatite (Suishouyama; Suisyoyama; Suishyoyama), Iizaka Village (Iisaka), Kawamata, Fukushima Prefecture, Tohoku Region, Honshu Island, Japan

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