Link 1: https://www.gia.edu/opal-care-cleaning Link 2: https://www.gia.edu/tourmaline-care-cleaning Opal Hardness and toughnessGem and mineral hardness is measured on the Mohs scale. The numbers are based on the relative ease or difficulty with which one mineral can be scratched by another. But the Mohs scale is deceptive. The steps between the minerals are not evenly spaced. For example, […]
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Link: brilliantearth.com/news/october-birthstones-opal-tourmaline/ If you’re holiday or birthday shopping for someone born in October, a piece of jewelry featuring one of October’s birthstones makes for a timeless treasure! What Are The Two Birthstones For October?October has two birthstones: opal and tourmaline. While both gemstones are available in a wide variety of colors, classic white opals and
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Link: https://earthsky.org/human-world/october-birthstone-opal-tourmaline/?fbclid=IwAR1LzZpNGXJWhamqdeh2xhqhTulrpN8F-Qs_6IEC1sNJD3YgBTEikICmX3Y Opal, the primary October birthstone The October birthstone is the opal… or possibly tourmaline, depending on your source. Opals are the most well-known birthstone for October. They are amazingly diverse rocks, taking on different appearances depending on how they formed. Precious opals, known for their flashy iridescent colors, are popular in some jewelry. But
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Link: https://www.womansera.com/how-does-blue-sapphire-gemstone-help-to-bring-peace-of-mind/ BY HIMSHIKHA SHUKLA · SEPTEMBER 16, 2020 The tranquil blue beauty of sapphires never fails to mesmerize and behold your attention. Since antiquity, this gemstone has been a harbinger of good fortune, wealth, good health, and contentment. From Greeks to Judeo-Christian cultures, blue sapphire stone has been known for its various abilities. With its celestial hues,
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