The most Beautiful Yellow brucite is the mineral form of magnesium hydroxide, with the chemical formula Mg (OH)2. It is a common alteration product of periclase in marble;
A low-temperature hydrothermal vein mineral in metamorphosed limestones and chlorite schists; and formed during serpentinization of dunnites.
Brucite is often found in association with serpentine, calcite, aragonite, dolomite, magnesite, hydromagnesite, artinite, talc, and chrysotile.
This thumbnail yellow brucite has, has beautiful contrast and is super lustrous with great color and aesthetics and absolutely perfect all around without any damage at all!