Origin: Notably Franklin, U.S.A.
Mineral Species: Willemite
Mineral Group: Silicates
Chemical Formula: Zn2SiO4
Hardness: 5.5
Crystal System: Trigonal
Colour: Colourless, white, pastel green, apple-green, light blue, azure-blue, yellow, burgundy-red, brown, mahogany-brown, gray, black, pink
Typical Appearance: As prismatic crystals, simple hexagonal prisms or radial tufts of acicular needles. Also as fibrous aggregates, botryoidal, and massive.
Birthstone: Not known
Chakra Alignment: Not known
Element: Not known
Origin of Name & Mythology: Named in 1830 by Serve-Dieu Abailard "Armand" Lévy in honor of William I (Willem) (1772-1843), King (1813-1840) of the Netherlands, wherein the type locality was located at the time.
