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Iimoriite-(Y) Tengerite-(Y) & Thalenite

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JYJ947189

Iimoriite-(Y) Tengerite-(Y) & Thalenite

Description Tabs

Description
Locality: 
Åskagen Quarry, Persberg, Filipstad, Värmland County, Sweden
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.9 × 1.9 × 1.8 cm
Description

White tengerite-(Y) associated with pinkish iimorrite-(Y) and dark thalenite-Y and allanite-(Nd).

 

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

Tengerite-(Y)

Formula: 
Y2(CO3)3·2-3H2O
Strunz: 
5.CC.10
Hardness: 
0.0
Colour: 
White
Streak: 
white
Type Locality: 
Ytterby, Resarö, Vaxholm, Uppland, Sweden