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Mineral Species · Tungstates

Scheelite

白钨矿

CaWO4

CaWO4 . Tetragonal . Mohs 4.5

Crystal system

Tetragonal

Hardness

4.5

Specific gravity

5.9

China-iconic

China is a defining locality for Scheelite · 白钨矿. See the Chinese collector page →

Scheelite is the second principal tungsten ore (after wolframite) and the source of some of China's most spectacular gem crystals. Pingwu and Xuebaoding in Sichuan have produced gem-orange scheelites that rank among the world's finest.

Key Facts

  • Mohs hardness 4.5 – same as wolframite, but lighter (SG 5.9 vs 7.2).
  • Strongly fluoresces blue-white under shortwave UV – a signature field test.
  • Tetragonal pyramids look pseudo-octahedral; often mistaken at a glance.
  • Sichuan produces the world's benchmark gem-orange scheelite crystals.
  • Named for K.W. Scheele, who first described tungsten in this mineral (1781).

The Chinese Angle

Pingwu County and the Xuebaoding deposit in Sichuan produce gem-orange scheelite crystals (often 3-10 cm) on muscovite-quartz matrix, frequently associated with cassiterite and pink beryl. These have been the international reference for collector-grade scheelite for two decades.

Found at these Localities

Hero photo by Wikimedia Commons contributor · CC BY-SA · source

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