Amethyst Geode
$45.00
This is a naturally-occurring crystal cluster of the mineral Amethyst, a variety of quartz (SiO2) that gets its rich purple color from trace amounts of ferric iron. The crystals formed inside a gas pocket within a basaltic lava. This specimen was mined in Rio Grande do Sul, Brazil.
Size: 4” by 4 1/2” by 1 1/2”, Weight: 1.4 lb.