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Two dark-green rectangular tourmaline stones and one oval tourmaline stone Bi-chromatic tourmaline crystal, 0.8 inches (2 cm) long Tourmaline mineral, approximately 10 cm (3.9 in) tall Tourmaline has a variety of colors.
The word prasiolite literally means "scallion green-colored stone" and is derived from Greek πράσον prason meaning "leek" and λίθος lithos meaning "stone". The mineral was given its name due to its green-colored appearance. Natural prasiolite is a very light, translucent green. Darker green quartz is generally the result of ...
Tourmaline “A favorite stone of gem collectors for its beautiful crystalline structure and tonal variety from pink to blue-green, tourmalines are a heart-centric stone that can enhance self-love ...
Light blue to bluish green: Brazilian indicolite variety (from indigo) Green: Brazilian verdelite variety (from emerald) Watermelon tourmaline is a zoned variety with a reddish center surrounded by a green outer zone resembling watermelon rind, evident in cross-sectional slices of prisms, often displaying curved sides.
Malachite is a copper carbonate hydroxide mineral, with the formula Cu 2 CO 3 (OH) 2.This opaque, green-banded mineral crystallizes in the monoclinic crystal system, and most often forms botryoidal, fibrous, or stalagmitic masses, in fractures and deep, underground spaces, where the water table and hydrothermal fluids provide the means for chemical precipitation.
This is a list of gemstones, organized by species and types. Minerals ... Tourmaline subgroup: Achroite (var.) Chrome (var.) ... Dark. This page is always in light mode.