HEATKEYS

Buy Gemstones Online. Loose Semi-Precious and Precious Stones: Sapphire, Spinel, Topaz, Garnet, Tourmaline, Opal, Emerald, Ruby, Amethyst and Birthstones

Buy and sell handmade or vintage items, art and supplies on Etsy, the world

Opal Auctions is the number one site to buy and sell opals & opal jewelry online. Registration is free for all, and we stock a wide variety of quality opals and related gemstones

Geology and Earth Science current events, news, articles, dictionary, satellite images, career information, reference maps, and more.

Unique Australian Opal Jewelry of Elegance & Distinction recreating the beauty and fire of the Australian Black Opal. Boulder Jewelry, Doublets, Solids, Inlay & Beads

My Modern Metropolis is where art enthusiasts and trendspotters connect over creative ideas.

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Bestcrystals.com is the online Rock Shop of hundreds of crystals, minerals, fossils from around the world, from $1 to grade

Custom made jewelry, unique designs handcrafted with fine gemstones. Designer art jewelry handmade in gold and silver featuring designer rings, men

Information about Australian Boulder Opals and catalog of boulder opals for purchase.