Aquamarine Gems are available in a vitreous lustre. Guptas Gems N Jewels manufactures Aquamarine Gems. Guptas Gems N Jewels also manufactures Indian Hand Crafted Gem - Studded Jewellery. Aquamarine Gems is made of beryllium aluminium silicate composition. Aquamarine is sea-green in colour with the diachronic property, making it appear blue or colourless as the stone is viewed from different angels. The Gem is available with 7 ½ hardness. Heat-treatment in aquamarine multiplies the lustre but lighten the colour.