tungstate Flashcards
1
Q
scheelite formula
A
CaWO4
2
Q
scheelite crystal form
A
- tetragonal dipyramidal, pyramidal on the 112, resembling octahedron in some angles
- granular and massive
3
Q
scheelite cleavage
A
prismatic
4
Q
scheelite hardness
A
4.5 to 5
5
Q
scheelite specific gravity
A
5.9 to 6.1
6
Q
scheelite color
A
adamantine to vitreous translucent to transparent. white, yellow, green brown. bluish white under uv
7
Q
scheelite occurrence
A
- granitic pegmatites
- high temp hydrothermal veins associated with granitic rocks
- contact metamorphic deposits
8
Q
scheelite remarks
A
- high specific gravity and fluorescence under uv