Shomiokite-(Y)

Shomiokiet, Shomiokit, Shomiokita, Шомиокит, 水碳酸釔鈉


Commonly known      rarer (so called collectors stones)      very rare (rarities)      relatively rare organic material


Formula: Na3(Y,Dy)(CO3)3·3H2O
Mineral class: carbonates
Crystal system: orthorhombic
Mohs scale: 2 - 3
Density (g/cm3): 2.52
Refractive index: 1.528 - 1.531
Cleavage: perfect
Colors: colorless, light yellow, pink
Transparency: translucent, small crystals sometimes transparent
Luster: waxy - silky
Fluorescence: -
Pleochroism: -
Largest crystal: ?
Deposits: Shomiokitovoe Pegmatite / Umbozero Mine / Mt. Alluaiv / Lovozero Massif / Kola Peninsula / Murmanskaja Oblast' / Russia,
Poudrette Quarry / Mont Saint-Hilaire / Rouville County / Quebec / Canada
Discovery: 1990?
1st Description: 1992 (Khomyakov, Shumyatskaya, Polezhaeva)
Name: from the deposit at the Shomiok River / Lovozero Massif / Kola Peninsula / Russia

Shomiokite-(Y) Mineral

Image width: 0.6 cm

Origin: Poudrette Quarry / Mount Saint-Hilaire / Rouville County / Québec / Canada

Photo by kind permission of © Stephan Wolfsried
Shomiokite Mineral

Shomiokite Mineral

Shomiokite-(Y)

Size: 0.33 x 0.77 cm
Weight: 0.46 ct
Origin: Shomiokitovoe Pegmatite / Umbozero Mine / Mt. Alluaiv / Lovozero Massif / Kola Peninsula / Murmanskaja Oblast' / Russia

Photo by kind permission of © www.rocklogic.biz
Shomiokite


⇐ Intro Page ⇐ Gemstones