TUNGSTATE Flashcards
1
Q
CaWO4
A
Scheelite
2
Q
Tetragonal dipyramidal crystals of which the dipyramid {112} closely resembles the octahedron in angles. Also massive granular.
A
Scheelite
3
Q
What is the cleavage of scheelite?
A
Prismatic
4
Q
What is the hardness of scheelite?
A
4.5 - 5
5
Q
What is the specific gravity of scheelite?
A
5.9 - 6.1
6
Q
What is the color of scheelite?
A
White, yellow, green, brown. Luster vitreous to adamantine.
7
Q
Found in granite pegmatites, contact metamorphic deposits, and high-temperature hydrothermal veins associated with granitic rocks. Common associations are cassiterite, topaz, fluorite, apatite, and molybdenite.
A
Scheelite