Black Tourmaline in Quartz/Feldspar | Brazil dendrite This item is 4” x

This item is 4” x 3” and weighs 9

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

almost coral-like textures

aragonite develops in a variety of fascinating habits

natural variations of color and texture

Black Tourmaline in Quartz/Feldspar | Brazil dendrite This item is 4” xA 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