Gem-quality bright blue to green “Paraíba”-type Cu-bearing tourmaline is now known from deposits in Africa (Nigeria and Mozambique), in addition to three commercial localities in Brazil (in Paraíba and Rio Grande do Norte States). Stones from these new localities have been mixed into parcels from the original Brazilian Paraíba occurrence. The Nigerian and Mozambique tourmalines that show saturated blue-to-green colors cannot be distinguished from the Brazilian material by standard gemological...

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When hearing the word Sapphire many people immediately envision a stunning violet-blue gemstone because the word “Sapphire” is Greek for blue. For centuries, the Sapphire has been referred to as the ultimate blue gemstone. Since Ancient times the Blue Sapphire represented a promise of honesty, loyalty, purity and trust. To keep with this tradition Sapphires are one of the most popular engagement gemstones today. The September birthstone is sapphire –...

Women's Equality Day Sale 2019 SUPER SALEWomen's Equality Day!25% OFF EVERYTHING Discount Code : EQUALSALE   With this code, get 25% off all orders. The offer is valid for all customers. Offer starts August 24th and expires August 31st, 11:59pm PST. Offer may not be combined with other offers. Shoprmcgems.com reserves the right to modify or cancel the offer at any time... Discount code must be applied at checkout.