Topaz
Topaz is named after the island of Topasos in the Red Sea. It occurs in tin-bearing granites, quartz veins, granite pegmatites, but also as boulders in alluvium. They form perfectly limited crystals. It is more often grainy or stalked (pyknit). It is usually clear, yellow, honey, blue, etc. It is widely used as a precious stone. More info
Topaz is named after the island of Topasos in the Red Sea. It occurs in tin-bearing granites, quartz veins, granite pegmatites, but also as boulders in alluvium. They form perfectly limited crystals. It is more often grainy or stalked (pyknit). It is usually clear, yellow, honey, blue, etc. It is widely used as a precious stone.