Strontianite

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Physical & Optical Properties

Mohs Hardness 3,5
Specific Gravity 3,63 – 3,79
Refractive Index 1,517 – 1,667
Crystal System Orthorhombic
Luster Vitreous,Greasy
Cleavage Perfect
Fracture Uneven,Sub-Conchoidal
Color various

Mohs Hardness

Mohs Hardness: 3,5
1 Soft10 Hard

Crystal System

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

Value & Market

Price Tier Budget (< $50/ct)

About Strontianite

Strontianite is a strontium carbonate mineral named after the Scottish town of Strontian, near which it was first discovered in 1764, and from which the element strontium takes its name. It typically forms white, gray, yellowish, or pale green acicular to prismatic crystals with a vitreous luster in veins and limestone cavities. Strontianite is an important ore of strontium used in pyrotechnics for red flames, and fine specimens from its type locality are historically significant collector items.

Jewelry Use

Durability 2/10

Science FYI Family

Frequently Asked Questions

What is Strontianite?
Strontianite is a strontium carbonate mineral named after the Scottish town of Strontian, near which it was first discovered in 1764, and from which the element strontium takes its name. It typically forms white, gray, yellowish, or pale green acicular to prismatic crystals with a vitreous luster in
What is the hardness of Strontianite?
Strontianite has a Mohs hardness of 3.5, making it relatively soft for use in jewelry.
What color is Strontianite?
Strontianite is primarily Various.
How much does Strontianite cost?
Strontianite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Strontianite?
Strontianite belongs to the Orthorhombic crystal system.

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