My Cart



Mineral formula: Mg(OH)2

Mineral group: member of the Brucite group

Crystal system: trigonal

Crystal habit: tabular crystals, foliated masses and rosettes, massive.

Cleavage: Perfect on {0001}

Fracture: fibrous, micaceous

Color: white, light green, gray, blue, honey yellow, brown

Luster: vitreous, waxy, pearly

Diaphaneity: transparent to translucent

Moh’s scale hardness: 2 ½ - 3

Streak: white

Specific gravity: 2.39

Named after: In 1824 François Sulpice Beudant named this mineral in honor of Archibald Bruce (February 1777 New York, New York, USA - February 22, 1818, New York, New York, USA), physician, early American mineralogist, and editor of the American Mineralogical Journal, who first described the species.

Type locality: Castle Point, Hoboken, Hudson County, New Jersey, USA.

Geological occurrence: Alteration mineral of periclase in marbles.

Energetic properties: Yellow shades of brucite pertain to the solar plexus chakra, thus provide support for issues related to personal will, self-worth, and creative expression of our true selves.