Le Groupe de Scheelite
scheelite | |
Mineure Groupe Tungsten Minéraux | |
anthoinite | |
cuprotungstite | |
ferritungstite | |
raspite | |
russellite | |
sanmartinite | |
stolzite | |
tungstenite | |
tungstite |
Property |
Value |
formula |
CaWO4 |
WO3 content (%) |
80.6 |
specific gravity |
5.4 - 6.1 gr/cc |
|
|
form |
massive and small grains, tetragonal crystals |
color |
pale yellow, brown, or white |
luster |
vitreous/resinous |
diaphaneity |
transparent/translucent |
streak |
white |
|
|
crystal structure |
tetragonal |
cleavage |
good in 4 directions |
fracture |
uneven |
hardness |
4.5 - 5 Mohs |
magnetism |
none |