Description
AMPHIBOLITE PEBBLE
This is the polished black amphibolite pebble. Dimensions: 1.8 x 1.8 x 0.5″ (4.5 x 4.5 x 1.3cm). Weight – 1.5oz (43 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.
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