Hardystonite

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Physical & Optical Properties

Mohs Hardness 3,0 – 4,0
Specific Gravity 3,396 – 3,443
Crystal System Tetragonal
Cleavage Good,Poor
Color various

Mohs Hardness

Mohs Hardness: 3,0 – 4,0
1 Soft10 Hard

Crystal System

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

Value & Market

Price Tier Budget (< $50/ct)

About Hardystonite

La hardystonita es un silicato de calcio y zinc que forma masas blancas o grises en el famoso yacimiento de minerales de Franklin, Nueva Jersey, donde a menudo exhibe una brillante fluorescencia azul bajo luz ultravioleta. Aunque no tiene valor gemológico como piedra facetada, los especímenes fluorescentes de Franklin son altamente apreciados por los coleccionistas de minerales que se especializan en la extraordinaria suite de minerales fluorescentes de este depósito.

Jewelry Use

Durability 2/10

Science FYI Family

Frequently Asked Questions

What is Hardystonite?
La hardystonita es un silicato de calcio y zinc que forma masas blancas o grises en el famoso yacimiento de minerales de Franklin, Nueva Jersey, donde a menudo exhibe una brillante fluorescencia azul bajo luz ultravioleta. Aunque no tiene valor gemológico como piedra facetada, los especímenes fluore
What is the hardness of Hardystonite?
Hardystonite has a Mohs hardness of 3.0 to 4.0, making it relatively soft for use in jewelry.
What color is Hardystonite?
Hardystonite is primarily Various.
How much does Hardystonite cost?
Hardystonite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Hardystonite?
Hardystonite belongs to the Tetragonal crystal system.

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