![]() The white gemstones are translucent, though sometimes transparent. While usually green or yellow, prehnite also occurs as white stones. Source: Rob Lavinsky, – CC-BY-SA-3.0 White Prehnite ![]() The white rocks are a tin ore, with cassiterite in general providing the most important source of tin to this day. The white gemstones are generally opaque, but are translucent in thin crystals. While usually black, cassiterite also occurs as white stones, as well as red and yellow. The white rocks were traditional birthstones for the month of August, but have been made the modern birthstones for June. The white gemstones are composed of alternate layers of orthoclase and albite, which refract light, giving the white gems the appearance of glowing from within. White Moonstone Necklace White MoonstoneĪs white as the name sounds, moonstones are pearly, opalescent white stones, which come from the family of minerals called feldspars, along with sunstone, oligoclase and andesine. Sapphires in general are the traditional birthstone for April and the zodiac sign Taurus, but have been made the modern birthstones for the month of September, while the precious stones are assigned to the month of July in the Hindu calendar. While sapphires are popularly known to be blue in color, star sapphires also naturally occur as white stones. Star sapphires are sapphires that give a six-rayed star shine when struck by a single light source. via Wikimedia Commons White Star Sapphire Gem-quality londonite comes from Madagascar, while white jewels of the rhodizite species are found in Madagascar, Russia and the United States. These white gems are differentiated from their rhodizite cousin with their richer cesium content. While the two white gemstones are visually indistinguishable, londonite is a relatively new species of white rocks whose approval as a separate mineral was made only in 1999. The white rocks are borate minerals similar to salt but resistant to weathering. While also available in yellow, rhodizite and londonite occur as white stones. Source: Leon Hupperichs via Wikimedia Commons White Rhodizite and Londonite Hence, most of the white gems in the market now are synthetic, not natural. There used to be an occurrence of the natural white gemstones in Sri Lanka, but the white stones are now lost. These white rocks are called white spinels. Though popularly known for their red color, spinels also come in translucent to opaque stones of but very light shade. Around 97% of the white gems come from Australia, which accordingly designated opals as the country’s national gemstone. ![]() ![]() The white precious stones are the traditional and modern birthstones for the month of October. Like other opals, the white gemstones can reflect many colors, owing to their internal structure that diffracts light. Opal comes in a great variety of colors, including black, red, yellow, green, with the most common being the opaque white stones called milk opals. Source: Rob Lavinsky, – CC-BY-SA-3.0 White Opal Source: Helgi via Wikimedia Commons A shell fossilized in opal The white gemstones are the traditional and modern birthstone for the month of April, both in the Western and the Hindu calendar. ![]() The white precious stones are the hardest mineral known to humanity, earning the white rocks the highest prices among precious stones. Diamonds are clear in their purest form, but actually occur in a great variety of color, including red, yellow, green, black and translucent white gems. Diamonds are arguably the most popular gemstones of all, not least among the white stones. ![]()
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