This Indigo Gabbro was mined from the Norcross-Madagascar Indigo Gabbro quarry.
Gabbro is a combination of multiple minerals containing Feldspar, Chlorite, Serpentine, Muscovite, Pyroxene, Hercynite, and Magnetite in a charcoal colored matrix; it may also contain small amounts of Olivine, Chrome Garnet, Actinolite, and Biotite.
The sphere(s) you will receive will look similar to photographs and will be in the range of 40-50 mm (1.5 - 2") in diameter.
Wholesale prices available for those buying in bulk. For more information, please contact a Madagascar Minerals sales representative (520) 882-8884.