Moonstone Gemstone

Name | Consistence, Structure & Color | Superstitions & Magical Properties | Mining | Birthstone


Obviously the Moonstone derived its name thanks to its surface, similar to the Moon, and due to its shine, similar to the moonlight. The Romans called it “Lunaris,” the Greeks called it “Aphroseline,” however, both of these names signified the magnificence of the Moon.

Its consistence, structure and color

Moonstone Gemstone

Chemically, the Moonstone is opaque or translucent (but not transparent) variety of albite or feldspar, having a chatoyant reflection. It is not a hard gemstone (6/10 according to the Mohs Scale).

It occurs of white, gray, green, red and blue colors and many varieties of tints, where the blue tint is the most valuable.

Its blue shine is caused by reflection from tabular crystals locating in parallel planes in the gemstone.

Superstitions attributed to Moonstone

Medieval sources tell us, that the Moonstone have used as a remedy to improve memory. It is considered, that a moonstone held in the mouth would serve as a stimulus to brain activity.

For medicinal purposes, the Moonstone was used as a remedy against epilepsy. The powder, made of Moonstone, as considered, is able to attract the opposite sex, therefore this gemstone symbolized a love charm. Moreover, this gemstone acquires its power gradually, according to the phases of the Moon.

Obviously, that our ancestors believed in the power of the Moon, therefore, they have endowed the Moonstone (as a main symbol of the Moon) with the ability to predict future. Thus, in modern world, it is considered, that the Moonstone is a mascot for stockbroker, gamblers and other “gentlemen of fortune.”


The Moonstone for commercial purposes is chiefly obtained from Sri Lanka, therefore it also known as “Ceylon Opal,” but obviously it’s not Opal. Here, in Sri Lanka it occurs in pieces several inches in diameter, and are cut in large quantities.

However, there is so-called “moonstone brother” or “cousin.” It is obtained in Adular Mountains, Switzerland, from whence its second name “Adularia,” but sometimes it is called “Sunstone.”


Moonstone is an alternative Birthstone for June, along with the Alexandrite, whereas a Pearl is a principal Birthstone for June. As a Birthstone, it signifies the possession of good fortune and a favor in love charms. The Moonstone is also appropriate for a Monday, according to a chart set by George F. Kunz.

June 23, 2018

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