Stibnite

Joelle level 4 option 1

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Luster

Stibnite is a shiny metallic.

Hardness

2 on the Moh's scale.

Color

It can be gray or silver.

Streak

The streak if Stibnite is dark gray.

Crystal Form

The crystal system is orthorhombic.

Cleavage and Fraction

The cleavage is perfect length wise. But the fracture is irregular.

Where it is Found and How it is Mined

Stibnite is found in low temperature hydrothermal veins and hot springs deposits. I cow;don't find how it was mined.