Trancas Geode - Mineral Size:XX-Large Description: These excavation kits contain

Description: These excavation kits contain an easy-to-dig sandstone bock with an assortment of gemstones buried inside

Approximate Weight of 1 piece: 5g

The ring has the organic leg structure that emulates bone

allowing crystals to develop freely into these dramatic

Trancas Geode - Mineral Size:XX-Large Description: These excavation kits containMined from: Chihuahua, Mexico Description: Trancas geodes are a very unusual looking geode variety from Mexico. The contain intergrown combinations of chalcedony, quartz, calcite, agate, and aragonite. These minerals form aesthetically pleasing elongated stalagmitic growths inside the geodes, like little fingers reaching out from the layer of banded chalcedony. These specimens are UV reactive the interior layer of crystal growth glows a bright green