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Fluorite Fluorite

Hardness: 4
Colour: Generally purple, blue, green or yellow or colourless, a single crystal can be multi-coloured
Streak: White
Lustre: Vitreous
Other characteristics: Often fluorescent

Gemstone quality: Rarely used as a cut gemstone (like diamond), but can be used as beads in jewellery or carved into figurines.
Industrial uses: Is used in toothpastes and is used to make the non-stick coating on frying pans.

Toothpaste and toothbrush Frying pan

Fluorite is used to make toothpastes and the non-stick coating on frying pans.

Return to Mohs scale to learn more about hardness.