2" Polished, Indigo Gabbro Sphere - Madagascar

This is a beautifully polished sphere that's formed from a section of indigo gabbro. It's polished to a mirror finish and comes with the pictured display stand.

Indigo gabbro, also known as Merlinite, is a mineral conglomerate that occurs and is mined in Madagascar. The typical colors of these basalt rocks are a deep indigo-purple and black. It is frequently polished into decorative items and table tops.

The word "gabbro" refers to a large group of dark, coarse-grained, intrusive igneous rocks that are chemically equivalent to basalt. The rocks can contain a mixture of feldspar, chlorite, serpentine, muscovite, pyroxene, hercynite, and magnetite within in a charcoal-colored matrix.
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DETAILS
SPECIES
Indigo Gabbro
LOCATION
Madagascar
SIZE
2" wide
CATEGORY
ITEM
#196177