Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Kostylevite & Sazykinaite-(Y)

Views:
Watches:
CSL114054

Kostylevite & Sazykinaite-(Y)

Rare Mineral

Description Tabs

Description
Locality: 
Koashva Mountain, Khibiny Massif, Murmansk Oblast, Russian Federation
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 1.3 × 0.5 cm
Description

Very rare K-Zr silicate species Kostylevite in association with a Na-Y-Zr silicate Sazykinaite-(Y). Kostylevite forms tiny colourless to cream coloured crystals, Sazykinaite-(Y) forms pale yellow-pink rhomboedrons on microcline matrix. Other associating minerals is brown lamprophyllite. Koashva Mt. is the Type Locality for Sazykinaite-(Y).

Mineral Data
What's on the rock

Kostylevite

Formula: 
K2Zr(Si3O9)·H2O
Strunz: 
9.CJ.35
Hardness: 
5.0
Type Locality: 
Vuonnemiok River Valley, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Sazykinaite-(Y)

Formula: 
Na5YZr[SiO3]6·6H2O
Strunz: 
9.DM.10
Hardness: 
5.0
Streak: 
White
Type Locality: 
Koashva quarry, Koashva Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...
Loranth Minerals

Seller Information

Payment options: offline, paypal_wpp, paypal_wps