Scheelite
Scheelite is tungstates, CaWO4. In the hand, it rates 4.5 to 5 on the Mohs scale, and it runs honey orange and golden brown. Honey-colored pseudo-octahedral crystals, heavy as ore in the hand, then the party trick: under shortwave UV the whole specimen blazes electric blue-white. Skarns and high-temperature veins, China dominates ore; collector crystals from Korea, Mt.
The geology.
Scheelite carries the formula CaWO4. It belongs to the tetragonal system. On paper it is tungstates.
It sits at 4.5 to 5 on the Mohs scale. The surface reads vitreous to adamantine, greasy. Light behaviour is transparent to translucent. Specific gravity runs 5.9 to 6.1. The streak is white. It breaks with distinct pyramidal cleavage; uneven fracture.
Honey-colored pseudo-octahedral crystals, heavy as ore in the hand, then the party trick: under shortwave UV the whole specimen blazes electric blue-white.
Expect to see it as dipyramidal (octahedron-like) crystals, granular masses or faceted collector stones.
The origins.
Skarns and high-temperature veins, China dominates ore; collector crystals from Korea, Mt. Xuebaoding (China), California, Austria.
On value, the database notes: ore value modest; gemmy orange crystals and faceted stones are collector treasures.
Traditional associations.
In energy work traditions, scheelite is said to align willpower with clarity, like its hidden light revealed under the right beam.
Recorded here because it is part of how this material is sold, not because it is a property of the material.
Spotting the real thing.
Honey-colored pseudo-octahedral crystals, heavy as ore in the hand, then the party trick: under shortwave UV the whole specimen blazes electric blue-white.
Synthetic scheelite (grown as a laser crystal) gets faceted and sold as natural, flawless clean stones at friendly prices deserve suspicion.
| Looks like | How to tell them apart |
|---|---|
| Quartz (in the field) | Quartz is light, hard, and dead under UV, prospectors lamp for scheelite at night precisely because daylight hides it |
| Cassiterite | Similar heft but much harder (6 to 7) and no fluorescence |
| Fluorite (octahedrons) | Fluorite is lighter, glows blue under longwave too, and cleaves perfect octahedra |
At-home tests.
None of these need a lab. A 10x loupe, good daylight and a steady hand cover most of what a buyer needs to know about scheelite.
| Test | What you should see |
|---|---|
| Shortwave UV | brilliant blue-white response is near-diagnostic |
| Scratch check | Heavy (SG ~6) yet scratchable with a knife |
| By eye | Tetragonal dipyramids look octahedral but show a square cross-section |
Stop short of anything that leaves a mark. A gemologist can answer the rest without damaging the stone.
Care & handling.
At 4.5 to 5 on the Mohs scale this is a soft material. Keep it as a display piece, store it apart from harder stones, and skip daily-wear settings.
It breaks with distinct pyramidal cleavage; uneven fracture, which is worth knowing before you set it or drop it.
Skip the ultrasonic. Lukewarm water, mild soap and a soft cloth handle routine cleaning without risk.
A deeper look.
Extended detail on composition, sourcing, authentication and market value.
The physical record
The formula on record is CaWO4. Crystal system: Tetragonal. Specific gravity: 5.9 to 6.1. Streak: White. Cleavage and fracture: Distinct pyramidal cleavage; uneven fracture.
How it reaches the market
Skarns and high-temperature veins, China dominates ore; collector crystals from Korea, Mt. Xuebaoding (China), California, Austria.
What it gets confused with
Quartz (in the field): Quartz is light, hard, and dead under UV, prospectors lamp for scheelite at night precisely because daylight hides it. Cassiterite: Similar heft but much harder (6 to 7) and no fluorescence. Fluorite (octahedrons): Fluorite is lighter, glows blue under longwave too, and cleaves perfect octahedra.
What it is worth
Ore value modest; gemmy orange crystals and faceted stones are collector treasures.
Where buyers get caught
Synthetic scheelite (grown as a laser crystal) gets faceted and sold as natural, flawless clean stones at friendly prices deserve suspicion.
One more thing
Wartime tungsten prospectors hunted at night with UV lamps, mapping ore bodies by blue glow alone, a mineral literally discovered by flashlight sweeps across dark hillsides.
An education-first guide.
We do not carry scheelite. This page exists because the question comes up and the honest answer is worth writing down, whether or not there is anything here to sell you.
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