Prehnite on Quartz Matrix, Specimen from Xoboxobos, Brandberg District, Namibia
This is a beautiful Prehnite piece on Quartz from Xoboxobos, Brandberg District, Namibia. The Quartz has areas of Druzy formation.
Crystal Dimensions: 7.6 cm (3”) x 6.4 cm (2.51”)
Crystal Weight: 104 grams
Prehnite is a pale yellow-green stone made primarily of calcium and aluminum.
Some forms have iron in them as well, which causes a darker orange-yellow colour, but the majority are quite pale and milky, not at all see-through.
The chemical formula is: