Tree Agate Crystal Bracelet Bead size:10 mm This is common opal

This is common opal

This Q2 formation geode from Uruguay combines a tall profile with an open crystal face and textured natural edges

hold it to the light and the glow does the rest

Mesoamerica

The result is slow

Tree Agate Crystal Bracelet Bead size:10 mm This is common opalTree agate milky white threaded with green that branches like a tree, the dendritic chalcedony whose green is mineral, not plant. A different growth on every stone. From India, strung on elastic cord. The "tree" is manganese and iron oxide minerals that crept along fine cracks and branched as they grew, before the chalcedony sealed around them. It is the opaque white cousin of moss agate, the green drawn sharp against a milky ground. Because the