Meionite

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Physical & Optical Properties

Mohs Hardness 5,0 – 6,0
Specific Gravity 2,78
Refractive Index 1,556 – 1,6
Crystal System Tetragonal
Luster Vitreous,Resinous,Pearly
Cleavage Distinct
Fracture Uneven,Conchoidal
Color various
Birefringence 0,024

Mohs Hardness

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

Crystal System

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

Value & Market

Price Tier Budget (< $50/ct)

About Meionite

Meionite is the calcium-rich end-member of the scapolite mineral group, a calcium sodium aluminosilicate, forming colorless to white, yellow, gray, or pale pink prismatic crystals with a vitreous luster in metamorphic calc-silicate rocks and skarns. Named from the Greek "meion" (less) for its smaller optical axial angle compared to marialite, it occurs in localities including Tanzania, Brazil, Madagascar, and Greenland. Transparent gemmy scapolite material near the meionite composition produces attractive yellow to colorless faceted collector stones.

Jewelry Use

Durability 4/10

Science FYI Family

Frequently Asked Questions

What is Meionite?
Meionite is the calcium-rich end-member of the scapolite mineral group, a calcium sodium aluminosilicate, forming colorless to white, yellow, gray, or pale pink prismatic crystals with a vitreous luster in metamorphic calc-silicate rocks and skarns. Named from the Greek "meion" (less) for its smalle
What is the hardness of Meionite?
Meionite has a Mohs hardness of 5.0 to 6.0, making it moderate for use in jewelry.
What color is Meionite?
Meionite is primarily Various.
How much does Meionite cost?
Meionite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Meionite?
Meionite belongs to the Tetragonal crystal system.

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