Scheelite

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Physical & Optical Properties

Mohs Hardness 4,5 – 5,0
Specific Gravity 5,9 – 6,3
Refractive Index 1,918 – 1,936
Crystal System Tetragonal
Fracture Conchoidal,Splintery
Color various
Birefringence 0,01
Dispersion 0,038
Pleochroism Variable

Mohs Hardness

1 Talc 2 Gypsum 3 Calcite 4 Fluorite 5 Apatite 6 Orthoclase 7 Quartz 8 Topaz 9 Corundum 10 Diamond Scheelite
Mohs hardness of Scheelite shown against the ten reference minerals, from talc (1) to diamond (10).
Mohs Reference mineral Scheelite
1 Talc
2 Gypsum
3 Calcite
4 Fluorite
5 Apatite
6 Orthoclase
7 Quartz
8 Topaz
9 Corundum
10 Diamond

Crystal System

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

Value & Market

Price Tier Budget (< $50/ct)

About Scheelite

A scheelite é um mineral de tungstato de cálcio que apresenta cores amarelas pálidas, alaranjadas, castanhas ou brancas com um lustre adamantino excecionalmente brilhante e forte fluorescência azul-branca sob luz ultravioleta. Embora mole demais para uso quotidiano (dureza Mohs 4,5), os cristais transparentes são lapidados para colecionadores, produzindo pedras de brilho intenso. É também um importante minério de tungsténio e foi nomeada em homenagem ao químico sueco Carl Wilhelm Scheele.

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Frequently Asked Questions

What is Scheelite?
A scheelite é um mineral de tungstato de cálcio que apresenta cores amarelas pálidas, alaranjadas, castanhas ou brancas com um lustre adamantino excecionalmente brilhante e forte fluorescência azul-branca sob luz ultravioleta. Embora mole demais para uso quotidiano (dureza Mohs 4,5), os cristais tra
What is the hardness of Scheelite?
Scheelite has a Mohs hardness of 4.5 to 5.0, making it relatively soft for use in jewelry.
What color is Scheelite?
Scheelite is primarily Various.
How much does Scheelite cost?
Scheelite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Scheelite?
Scheelite belongs to the Tetragonal crystal system.

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