Anthophyllite

Q: What is Anthophyllite?

Anthophyllite is a rare magnesium-iron amphibole mineral forming gray to greenish-brown elongated crystals or fibrous masses in metamorphic rocks. Gem-quality transparent crystals suitable for faceting are extremely scarce and found mainly in Sri Lanka and Finland, prized only by specialist collecto

Q: What is the hardness of Anthophyllite?

Anthophyllite has a Mohs hardness of 5.5 to 6.0, making it moderate for use in jewelry.

Q: What color is Anthophyllite?

Anthophyllite is primarily Various.

Q: How much does Anthophyllite cost?

Anthophyllite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.

Q: What is the crystal system of Anthophyllite?

Anthophyllite belongs to the Orthorhombic crystal system.

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Physical & Optical Properties

Category Semi-Precious Gems

Mohs Hardness 5,5 – 6,0

Specific Gravity 2,9 – 3,5

Refractive Index 1,603 – 1,69

Crystal System Orthorhombic

Luster Vitreous,Pearly

Cleavage Perfect,Distinct

Color various

Pleochroism When Fe-rich, moderate: clove-brown, yellowish brown, grayish brown - clove-brown, brown-gray, brownish - clove-brown to dark brown, grayish blue to green, lilac.

Mohs Hardness

Mohs Hardness: 5,5 – 6,0

1 Soft10 Hard

Crystal System

Value & Market

Price Tier Budget (< $50/ct)

Where to Buy Anthophyllite

Blue Nile Fine jewelry retailer

James Allen Gemstone jewelry

Brilliant Earth Ethically sourced gems

Amazon Wide selection

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About Anthophyllite

Anthophyllite is a rare magnesium-iron amphibole mineral forming gray to greenish-brown elongated crystals or fibrous masses in metamorphic rocks. Gem-quality transparent crystals suitable for faceting are extremely scarce and found mainly in Sri Lanka and Finland, prized only by specialist collectors. The fibrous variety was historically used as a form of asbestos and is now recognized as a health hazard.