New Jade

Misleading commercial name for the mineral bowenite, a translucent, fine-grained variety of serpentine antigorite, resembling nephrite. Also called bowenite jade and marketed under the misleading…

Nuummite

An unofficial name for a dark metamorphic rock with elongated, golden iridescent crystals composed of alternating lamellae of anthophyllite and gedrite (ortho-amphiboles). Its appearance is…