Polished Merlinite Gabbro Spheres x 6 From Madagascar COLLECTORS ITEM This material is exceptionally rare

This material is exceptionally rare

However associated to these deposits are fairly extensive serpentine exposures which range in colour from black to variable tones of green

the tend to lack clarity

Size = 35 (Ave

This is essentially manufactured glass - i

Polished Merlinite Gabbro Spheres x 6 From Madagascar COLLECTORS ITEM This material is exceptionally rarePRODUCT INFORMATION General Description Gabbro is a phaneritic, mafic intrusive igneous rock formed from the slow cooling of Magnesium rich and Iron rich magma into a holocrystalline mass deep beneath the Earth's surface. Slow cooling, coarse grained Gabbro is chemically equivalent to rapid cooling, fine grained Basalt. Gabbro is also known as Merlinite a name given to this "Marble" by Robert Simmons. This is a very attractive and largely inexpensive