Amphibole Gemstones & Minerals

The following is a list of Amphibole gems and minerals listed in our database. Click the pictures to get full data, click the X to remove the gem from the list.

Nephrite

Nephrite: Nephrite is a silicate of calcium, magnesium, and iron, containing fluorine and hydroxyl. It is an amphibole of the actinolite series. It occurs in all colors, also striped and spotted, but the most valuable color is green. The amphiboles of the tremolite-actinolite series usually occur as elongated, parallel, radiating, or even fibrous crystals; but the variety known as nephrite has a very compa (read full)