Irnimite
A unique multicolor black-blue-brown-white local variety of Jasper or microquartzite associated with manganese ores from Eastern Siberia.
Its colour is caused by:
black - manganese oxides (very often Braunite)
blue- alkaline amphiboles
brown- iron hydroxides
white - pure Quartz
Its colour is caused by:
black - manganese oxides (very often Braunite)
blue- alkaline amphiboles
brown- iron hydroxides
white - pure Quartz
| Further Information | |||||||
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| Mineral information: | Irnimite information at mindat.org | ||||||
| Significant Gem Localities | |||||||
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