Black Galaxy Gabbro Polished Standing Boulder Menu Jewelry Boxes This listing is for 1

This listing is for 1 flat of tumbled gemstones

The Only true way to test is through a lab

Purple Agate Star on Metal Base

This chalcedony may contain varying amount of stilbite or other zeolites

Natural Tumbled Gemstones

Black Galaxy Gabbro Polished Standing Boulder Menu Jewelry Boxes This listing is for 1Polished Black Galaxy Gabbro Standing Boulder Choose your quantity! Uniqueness Guaranteed: Every item is one of a kind, making them ideal for all projects or designs. Avg Size Range: (3 to 4 Inches Tall) Gabbro is a mafic igneous rock, meaning it contains large amounts of magnesium and iron. Black galaxy gabbro contains flakes and patches of bronzite and feldspar, giving it a starry appearance similar to nuummite. Handmade items vary in size, shape,