BRU152 Bruneau Jasper Slab Bracelets 21mm x 56mm

21mm x 56mm

ranging from 2" - 12" long slabs

Its chemical formula is SiO2 and the irradiation of ferrous iron (Fe3+) causes localized purple that is generally strongest toward the tips of the crystals

47mm x 33mm

32mm x 32mm

BRU152 Bruneau Jasper Slab Bracelets 21mm x 56mmBruneau Jasper comes from thundereggs in the Bruneau Canyon in Idaho, and is so known for its egg patterning that the feature is sometimes called 'Bruneau patterning' in other rocks. This polished slab shows deep and earthy orange jasper with a lighter colored brecciated egg in the center. Hints of brown and tans are intermingled with healed brecciation lines, and light host rock is included on the sides. 11. 6cm x 8. 8cm 6mm thick