White scheelite crystal from Långban.Diameter 5 mm. Yellow flourescens in UV (Mn contaminated). |
Scheelite in quartz from Björkdal
gold mine.White flourescens in UV. |
| Mineral class | Sulphates (wolframates) : Crocoite-wulfenite-scheelite group |
| Chemical formula | Ca(WO4) |
| Crystal system | Tetragonal |
| Habitus | Crystals often rounded dipyramidal or tabular. Also as massive or granular aggregates. |
| Cleavage |   |
| Hardness | 4.5-5 |
| Density | 5.9-6.1 |
| Color | Colorless, white to yellowish and grey. Transparent to translucent. |
| Streak | White. |
| Luster | Vitreous to adamantine. |
| Description | Scheelite is an ore of tungsten. |
| Occurance | In hydrothermal veins, in contact methamorphic rocks and in pegmatites. It also occurs in scarn. |
| Associates | Wolframite |
| Notes | Strong bluish-white flourescece in UV. Soluble in acids. Fuses with some difficulty. |
| Locations | A common mineral in the Bergslagen.
A number of mines is located in the Kopparberg - Grängesberg - Ludvika area.
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| To sulphates index. |
Mineral group index. |
Main index. |
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