Very Rare Heart Boulder Opal Sterling Silver Pendant Necklace From Australia - 1.1" - 8.9 Grams minerals Large Gemmy Apatite crystal with

Large Gemmy Apatite crystal with golden rich color from Mexico with good termination

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7 Grams Combined

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Very Rare Heart Boulder Opal Sterling Silver Pendant Necklace From Australia - 1.1" - 8.9 Grams minerals Large Gemmy Apatite crystal withThis is nice, large and extremely rare heart Boulder Opal pendant from Australia set in sterling silver. 2% of Australian opal is the second (after Black Opal) most prized form of opal, a unique form known as boulder opal. The opal usually forms as thin veins within these boulders, and most stones are cut to include some of the host ironstone matrix. Boulder opal is sometimes referred to as opal in matrix for this reason. Location: Western Queensland,