Very Rare Heart Boulder Opal Sterling Silver Pendant Necklace From Australia - 1.1" - 7.33 Grams minerals This is a very nice

This is a very nice rich blue Azurite crystal from Australia in great condition

Large perfect golden Scapolite crystal from Morocco

Location: Saranovskaya

A very nice Green Herderite ring set in sterling silver from Brazil

Location: Ysterputs

Very Rare Heart Boulder Opal Sterling Silver Pendant Necklace From Australia - 1.1" - 7.33 Grams minerals This is a very niceThis 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,