Hackmanite

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Physical & Optical Properties

Mohs Hardness 5,5 – 6,0
Specific Gravity 2,27 – 2,33
Refractive Index 1,483 – 1,487
Crystal System Isometric
Luster Vitreous,Greasy
Cleavage Poor
Fracture Uneven
Color various

Mohs Hardness

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

Crystal System

Value & Market

Price Tier Budget (< $50/ct)

About Hackmanite

La hackmanita es la variedad tenebrescente de la sodalita, un mineral de tectosilicato de sodio y aluminio con cloruro, que muestra el raro fenómeno de tenebrescence: cambia de incoloro o blanco a rosa o violáceo al exponerse a la luz ultravioleta o al sol, y luego recupera su color original en la oscuridad. Este ciclo puede repetirse indefinidamente. Los mejores especímenes provienen de Afganistán, Groenlandia y Myanmar, y los coleccionistas de gemas los aprecian por este fascinante comportamiento fotocromático.

Jewelry Use

Durability 4/10

Science FYI Family

Frequently Asked Questions

What is Hackmanite?
La hackmanita es la variedad tenebrescente de la sodalita, un mineral de tectosilicato de sodio y aluminio con cloruro, que muestra el raro fenómeno de tenebrescence: cambia de incoloro o blanco a rosa o violáceo al exponerse a la luz ultravioleta o al sol, y luego recupera su color original en la o
What is the hardness of Hackmanite?
Hackmanite has a Mohs hardness of 5.5 to 6.0, making it moderate for use in jewelry.
What color is Hackmanite?
Hackmanite is primarily Various.
How much does Hackmanite cost?
Hackmanite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Hackmanite?
Hackmanite belongs to the Isometric crystal system.

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