Amphibolite Pebble Russian Stone Gemstone Mineral

Description AMPHIBOLITE PEBBLE This is the polished black amphibolite pebble. Dimensions: 2 x 1.5 x 0.7″ (5 x 3.8 x 1.8cm). Weight – 1.9oz (54 grams). Origin: Russia, Yakutia. Some information about amphibolite: Amphibolite is a metamorphic rock that contains amphibole, especially the species hornblende and actinolite, as well as plagioclase. Amphibolite is a grouping of rocks composed mainly of amphibole and plagioclase feldspar, with little or no quartz. It typically dark-colored and dense, with a weakly foliated or schistose (flaky) structure. The small flakes of black and white in the rock often give it a salt-and-pepper appearance (More information about amphibolite. Here you will find other amphibolite pebbles >>>