Mellite

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Physical & Optical Properties

Category Organic Gems
Mohs Hardness 2,0
Specific Gravity 1,58 – 1,6
Refractive Index 1,509 – 1,541
Crystal System Tetragonal
Luster Vitreous,Resinous
Cleavage Indistinct
Fracture Conchoidal
Color various
Birefringence 0,03
Pleochroism Weak: yellowish brown - yellow

Mohs Hardness

Mohs Hardness: 2,0
1 Soft10 Hard

Crystal System

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

Value & Market

Price Tier Budget (< $50/ct)

Where to Buy Mellite

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About Mellite

La mellita es un raro organo-mineral: el sal de aluminio del ácido mellítico de origen biótico, que se forma por la oxidación de la lignita y el carbón, produciendo cristales tetragonales de color miel a naranja pálido con lustre resinoso. Hallada principalmente en sedimentos carbonosos de Alemania, Bohemia y Rusia, es uno de los pocos minerales de origen orgánico reconocidos por la IMA. Sus delicados cristales translúcidos son de gran interés para los coleccionistas de minerales inusuales y rarezas de la mineralogía.

Jewelry Use

Durability 1/10

Science FYI Family

Frequently Asked Questions

What is Mellite?
La mellita es un raro organo-mineral: el sal de aluminio del ácido mellítico de origen biótico, que se forma por la oxidación de la lignita y el carbón, produciendo cristales tetragonales de color miel a naranja pálido con lustre resinoso. Hallada principalmente en sedimentos carbonosos de Alemania,
What is the hardness of Mellite?
Mellite has a Mohs hardness of 2.0, making it relatively soft for use in jewelry.
What color is Mellite?
Mellite is primarily Various.
How much does Mellite cost?
Mellite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Mellite?
Mellite belongs to the Tetragonal crystal system.

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