Pollucite

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Physical & Optical Properties

Mohs Hardness 6,5 – 7,0
Specific Gravity 2,86 – 2,94
Refractive Index 1,517 – 1,525
Crystal System Isometric
Luster Vitreous
Cleavage None
Fracture Conchoidal
Color various
Dispersion 0,014

Mohs Hardness

Mohs Hardness: 6,5 – 7,0
1 Soft10 Hard

Crystal System

Value & Market

Price Tier Moderate ($50-500/ct)

About Pollucite

La polucita es un tectosilicato de cesio y aluminio que forma masas granulares incoloras a blancas con lustre vítreo y es la fuente primaria mundial de cesio, un elemento crítico para las células de combustible y los reloj de cesio más precisos del mundo. Se encuentra en pegmatitas graníticas de Bernic Lake (Manitoba, Canadá) y Bikita (Zimbabwe). Los cristales transparentes son rarísimos y de alto interés para los coleccionistas de minerales de cesio.

Jewelry Use

Durability 6/10

Science FYI Family

Frequently Asked Questions

What is Pollucite?
La polucita es un tectosilicato de cesio y aluminio que forma masas granulares incoloras a blancas con lustre vítreo y es la fuente primaria mundial de cesio, un elemento crítico para las células de combustible y los reloj de cesio más precisos del mundo. Se encuentra en pegmatitas graníticas de Ber
What is the hardness of Pollucite?
Pollucite has a Mohs hardness of 6.5 to 7.0, making it moderate for use in jewelry.
What color is Pollucite?
Pollucite is primarily Various.
How much does Pollucite cost?
Pollucite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Pollucite?
Pollucite belongs to the Isometric crystal system.

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