Black Tourmaline in Quartz/Feldspar | Brazil dendrite Fulgurite is a rare petrified

Fulgurite is a rare petrified lightning mineral formed when high-voltage lightening strikes desert sand

Each 8mm bead is polished smooth with occasional hints of lighter calcite and fine pyrite inclusions

This item is 4” x 3” and weighs 9

Found in regions such as Arizona and Indonesia

Black Tourmaline in Quartz/Feldspar | Brazil dendrite Fulgurite is a rare petrifiedA classic Brazilian pegmatite specimen featuring black tourmaline crystals embedded within a matrix of quartz and feldspar. The glossy, striated tourmaline provides a striking contrast against the lighter surrounding minerals, highlighting the diverse crystal growth that occurs in pegmatite environments. This item is 4. 5 x 2 x 2 and weighs 1 lb 11. 6 oz