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

白钨矿是一种钙钨酸盐矿物,呈淡黄色、橙色、棕色或无色,以极强的荧光性著称,在短波紫外线下发出明亮的蓝白色荧光,为宝石所罕见。虽然其高色散和金刚光泽赋予了出色的火彩,但由于脆性较高,刻面宝石颇具挑战性。主要产地包括中国、澳大利亚、奥地利和美国。

Science FYI Family

Frequently Asked Questions

What is Scheelite?
白钨矿是一种钙钨酸盐矿物,呈淡黄色、橙色、棕色或无色,以极强的荧光性著称,在短波紫外线下发出明亮的蓝白色荧光,为宝石所罕见。虽然其高色散和金刚光泽赋予了出色的火彩,但由于脆性较高,刻面宝石颇具挑战性。主要产地包括中国、澳大利亚、奥地利和美国。
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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