Stunning Rare Boulder Opal Metal Free Pendant from Australia - 0.7" - 4.71 Grams minerals 05 Grams combined

05 Grams combined

It is composed of calcium carbonate and were formed in Quarternary deposits left in lakes by receding glaciers

This is a large white Scolecite Sphere from india

Size of Pearl: 15 x 9 x 8mm each

Weigh: 273

Stunning Rare Boulder Opal Metal Free Pendant from Australia - 0.7" - 4.71 Grams minerals 05 Grams combinedThis is a fantastic and extremely rare Boulder Opal metal free pendant from Australia with 3mm hole. 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,