4 Photos
Tellurite
Chemical Formula	TeO2
Species	Oxides & Hydroxides
Crystal System	Orthorhombic
Mohs Scale	2
Specific Gravity	5.88-5.92
Color	Yellow to white
Luster	Sub-Adamantine
Refractive Index	n = 2.000 n = 2.180 n = 2.350
Diaphaneity	Transparent
Cleavage	PerfectPerfect on .
Crystal Habit：Prismatic to acicular crystals

It occurs as prismatic to acicular transparent yellow to white orthorhombic crystals. It occurs in the oxidation zone of mineral deposits in association with native tellurium, emmonsite and other tellurium minerals. Its name comes from Tellus, which is the Latin name for the planet Earth.