Insouciant Studios Symphony earrings handmade from genuine, natural petro tourmaline in shades of green, brown, and gold, with gorgeous faceted pale green apatite. These earrings are both subtle and stunning, and elegant mix of soft colors that will move effortlessly from day to night and from jeans to formal wear. 24k gold vermeil construction and earwires. Very lightweight.
Total Length: 2 5/16 inches, ~ 6 cm
Total Width: 1/2 inch, 8 mm
Tourmaline [(Na, Ca)(Fe, Mg, Al, Li)3Al6(BO3)3 Si6)18(OH)4] is a highly variable mineral with a hardness of 7 to 7.5 on the Mohs scale. It occurs in many colors, including black, blue, green, pink, and colorless. The color is often zoned (more than one color in a crystal or gem). It is commonly associated with quartz and potassium feldspar, and is structurally related to beryl, cordierite, and dioptase. It is one of the few common Boron minerals. [Mineralogy, Perkins]
Apatite (Fluorapatite, chlorapatite) derives it's name from the greek word "apatein" meaning to mislead or deceive. It comes in a wide variety of colors and is frequently confused with other minerals, especially beryls. It has a hardness of 5 on the Mohs scale and is a member of the Hexagonal crystal system; it appears in a variety of forms including oolites, stalactites, earthy or fibrous crusts, and can be massive, or coarsely granular; it can be a rock-forming mineral in extensive beds, and also appears as concretions in clays and shales. [Mindat.org]