Ilvaite, Sphalerite, Mongolia Gobi Desert Agate large Smoky Quartz sphere with

large Smoky Quartz sphere with lots of little trapped bubble pockets that create a 'sparkly' effect inside

Inner Mongolia

4in x 1in x

sky blue topaz

Ilvaite, Sphalerite, Mongolia Gobi Desert Agate large Smoky Quartz sphere withThis is a lustrous Ilvaite mineral specimen hailing from the Huanggang Mines of Inner Mongolia. Large size for this material and in excellent condition. Nice aesthetic shape. Ilvaite is a rare black silicate mineral with unique electrical properties. A lovely specimen for collectors looking for less common black crystals to work with. ILVA 0103 Size: 47mm x 32mm x 28mm Origin: Huanggang Mines, Inner Mongolia Ships within 3 business days Read more