Gem Blue Sapphire Crystal From Sri Lanka - 1.0" - 20.30 Carats bracelet or may even be called

or may even be called "Blue Quartz"

This is a very nice gem-quality Imperial Topaz crystal silver pendant from the world-famous locality in Brazil

This is a really nice clear Apophylite with Stilbite cluster from India

and 'marine' means 'ocean' or 'sea'

Very rare red Bixbite (Red Emerald) oval cabochon gemstone from its only locality in the world USA

Gem Blue Sapphire Crystal From Sri Lanka - 1.0" - 20.30 Carats bracelet or may even be calledThis is a really nice single gem Sapphire (blue Corundum) crystal from Sri Lanka. Classic shape and well terminated. Location: Sri Lanka Size: 2. 6 x 1. 0 x 0. 8 Centimeter Weight: 20. 30 Carats