2.1" Polished, Indigo Gabbro Cube - Madagascar

This is a 2.1" wide polished cube of indigo gabbro mined in Madagascar. One corder of the cube has been cut flat so that the cube can be displayed at an angle on a hard surface.

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
2.1" across
CATEGORY
ITEM
#242824