Prase

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Physical & Optical Properties

Mohs Hardness 7,0
Specific Gravity 2,64 – 2,69
Refractive Index 1,544 – 1,553
Crystal System Trigonal
Luster Vitreous
Cleavage None
Fracture Conchoidal
Color various
Birefringence 0,009

Mohs Hardness

Mohs Hardness: 7,0
1 Soft10 Hard

Crystal System

a a a Trigonal (Rhombohedral) a = b = c, α = β = γ ≠ 90°

Value & Market

Price Tier Moderate ($50-500/ct)

About Prase

La prase es una variedad de cuarzo de grano fino, de color verde puerro a verde oscuro opaco, cuyo color se debe a las inclusiones de actinolita o clorita. Ha sido tallada como piedra ornamental desde la Antigüedad en el Mediterráneo y se halla en yacimientos de cuarzo verde en Finlandia, Sajonia (Alemania) y Grecia. Aunque menos célebre que la prasiolita o el aventurina, su profundo color verde la hace apreciada para cabujones y cuentas artesanales.

Jewelry Use

Durability 7/10

Suitable for daily wear

Science FYI Family

Frequently Asked Questions

What is Prase?
La prase es una variedad de cuarzo de grano fino, de color verde puerro a verde oscuro opaco, cuyo color se debe a las inclusiones de actinolita o clorita. Ha sido tallada como piedra ornamental desde la Antigüedad en el Mediterráneo y se halla en yacimientos de cuarzo verde en Finlandia, Sajonia (A
What is the hardness of Prase?
Prase has a Mohs hardness of 7.0, making it excellent for use in jewelry.
What color is Prase?
Prase is primarily Various.
How much does Prase cost?
Prase falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Prase?
Prase belongs to the Trigonal crystal system.

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