Analysis: Black moonstone
Is ‘black moonstone’ real moonstone? Classic ‘true’ moonstone is mineralogically a combination of orthoclase or microcline with albite (belonging to the group of alkali feldspars),…
Tag: microcline
Black moonstone
Commercial name for a dark gray to brownish-black, unspecified feldspar with a form of ‘flash’ or pearly luster. A rough piece of ‘black moonstone’ from…
Beige moonstone
Commercial name for a beige-colored, unspecified alkali feldspar with a form of ‘flash’ or pearly luster. Sometimes this is ‘true’ moonstone, but in many cases…
