Holmquistite

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Physical & Optical Properties

Mohs Hardness 5,0 – 6,0
Specific Gravity 2,95 – 3,13
Refractive Index 1,622 – 1,666
Crystal System Orthorhombic
Luster Vitreous
Cleavage Perfect
Color various
Pleochroism Strong in shades of violet when dark-colored.

Mohs Hardness

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

Crystal System

a b c Orthorhombic a ≠ b ≠ c, α = β = γ = 90°

Value & Market

Price Tier Budget (< $50/ct)

About Holmquistite

La holmquistita es un anfíbol de litio y aluminio raro que forma cristales aciculares de color violeta a azul-negro en rocas metamórficas ricas en litio. Descubierta en Suecia y con yacimientos adicionales en Brasil y Rusia, es principalmente de interés mineralógico. Los cristales transparentes de calidad gemológica no están documentados; la holmquistita es conocida principalmente como rareza de coleccionista de cristales de aspecto peculiar.

Jewelry Use

Durability 4/10

Science FYI Family

Frequently Asked Questions

What is Holmquistite?
La holmquistita es un anfíbol de litio y aluminio raro que forma cristales aciculares de color violeta a azul-negro en rocas metamórficas ricas en litio. Descubierta en Suecia y con yacimientos adicionales en Brasil y Rusia, es principalmente de interés mineralógico. Los cristales transparentes de c
What is the hardness of Holmquistite?
Holmquistite has a Mohs hardness of 5.0 to 6.0, making it moderate for use in jewelry.
What color is Holmquistite?
Holmquistite is primarily Various.
How much does Holmquistite cost?
Holmquistite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Holmquistite?
Holmquistite belongs to the Orthorhombic crystal system.

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