Steatite

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Physical & Optical Properties

Category Collector Gems
Mohs Hardness 1.0
Specific Gravity 2.2 – 2.8
Refractive Index 1.539 – 1.596
Crystal System Monoclinic
Luster Greasy
Cleavage Perfect
Color various
Birefringence 0.046

Mohs Hardness

Mohs Hardness: 1.0
1 Soft10 Hard

Crystal System

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

Value & Market

Price Tier Budget (< $50/ct)

Where to Buy Steatite

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About Steatite

Steatite, or soapstone, is a massive talc-rich rock with a distinctive soapy feel and waxy luster, ranging from white and gray to green and brown, that has been carved into tools, vessels, figurines, and ornaments by cultures worldwide for over 10,000 years. Its workability, heat resistance, and attractive appearance made it a preferred medium for ancient Egyptian scarabs, Aztec carvings, and traditional Inuit sculpture. India, Brazil, and the United States are major sources of carving-quality steatite.

Jewelry Use

Durability 1/10

Science FYI Family

Frequently Asked Questions

What is Steatite?
Steatite, or soapstone, is a massive talc-rich rock with a distinctive soapy feel and waxy luster, ranging from white and gray to green and brown, that has been carved into tools, vessels, figurines, and ornaments by cultures worldwide for over 10,000 years. Its workability, heat resistance, and att
What is the hardness of Steatite?
Steatite has a Mohs hardness of 1.0, making it relatively soft for use in jewelry.
What color is Steatite?
Steatite is primarily Various.
How much does Steatite cost?
Steatite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Steatite?
Steatite belongs to the Monoclinic crystal system.