Madagascar Dendiritc Green Opal 8mm Round A Grade - 15-16 Inch Green Aventurine (AAA) so the individual beads can

so the individual beads can be used for pendants

It sometimes features dark brown to black dendritic inclusions that branch like tiny tree limbs through the stone

one of the first fluorescent minerals ever studied

found in Thailand/Indonesia

Madagascar Dendiritc Green Opal 8mm Round A Grade - 15-16 Inch Green Aventurine (AAA) so the individual beads canThis variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, manganese and other metallic oxides captured during the forming of the rock. Opals are hydrated amorphous forms of silica, created when silica hardens within the fissures of other stones.