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Keiviite-(Y) & Yttrofluorite

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PLN198005

Keiviite-(Y) & Yttrofluorite

Description Tabs

Description
Locality: 
Ploskaya Mountain, Western Keivy Massif, Keivy Mountains, Murmansk Oblast, Russian Federation
Size Range: 
Thumbnail (1-3cm)
Size: 
0.6 × 1 × 0.4 cm
Description

Green amazonite with albite inclusions with tiny veinlets of light-lilac yttrofluorite-III with creamy crystals of keiviite Y

Mineral Data
What's on the rock

Keiviite-(Y)

Formula: 
(Y,Yb)2[Si2O7]
Strunz: 
9.BC.05
Hardness: 
4.0 - 5.0
Type Locality: 
Ploskaya Mt, Western Keivy Massif, Keivy Mountains, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Yttrofluorite

Variety Of: 

Fluorite

Formula: 
CaF2
Strunz: 
3.AB.25
Hardness: 
4.0
Formula: 
(Ca1-xYx)F2+x where 0.05< x <0.3
Hardness: 
0.0
geo trader

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions
You can buy a lot specimens. I will give you a great combined shipping discount ! I combine the auctions. All packages are priority (7 days)