Faustite

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Physical & Optical Properties

Mohs Hardness 4.5
Specific Gravity 2.9
Refractive Index 1.612
Crystal System Triclinic
Luster Waxy,Dull (Earthy)
Fracture Conchoidal
Color various

Mohs Hardness

Mohs Hardness: 4.5
1 Soft10 Hard

Crystal System

a b c Triclinic a ≠ b ≠ c, α ≠ β ≠ γ ≠ 90°

Value & Market

Price Tier Budget (< $50/ct)

About Faustite

Faustite is a rare zinc-dominant member of the turquoise mineral group, forming apple-green to yellow-green nodular masses in the oxidized zones of zinc and copper ore deposits. Named after geologist Faust, it is found primarily in Nevada and resembles pale, washed-out turquoise due to its similar structure but zinc-dominant composition. While it lacks turquoise's classic blue color, well-patterned faustite material with matrix has appeal as a regional lapidary curiosity.

Jewelry Use

Durability 3/10

Science FYI Family

Frequently Asked Questions

What is Faustite?
Faustite is a rare zinc-dominant member of the turquoise mineral group, forming apple-green to yellow-green nodular masses in the oxidized zones of zinc and copper ore deposits. Named after geologist Faust, it is found primarily in Nevada and resembles pale, washed-out turquoise due to its similar s
What is the hardness of Faustite?
Faustite has a Mohs hardness of 4.5, making it relatively soft for use in jewelry.
What color is Faustite?
Faustite is primarily Various.
How much does Faustite cost?
Faustite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Faustite?
Faustite belongs to the Triclinic crystal system.

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