61mm White Howlite Turquoise Sphere Natural Crystal Mineral Gemstone Ball China
Howlite has the appearance of white marble or porcelain with a sub-vitreous lustre. It is opaque and white or grey with grey, black or dark brown veins running through it. Gemstone quality howlite can be interspersed by the darker matrix (which appears as the veins), or it can be matrix-free and pure white.