Blue Topaz

Birthstone: November
Family: Topaz
Colour: Colourless, yellow, orange, red-brown, light to dark blue, pink
Hardness: 8 (as per Mohs hardness scale)
Sources: Mainly Brazil (Light blue topaz have been found in Northern Ireland, Scotland and Cornwall)
Interesting Facts: Topaz is probably named after an island in the Red Sea, formerly Topazos, now Zabargad. Blue topaz have been found in very large sizes and some were mined in the Ukraine weighing about 100 kg each.

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