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Moonstone

Moonstone or hecatolite, is world famous in the world of Gemology. It was recently identified (Jean Claude Delamétherie, 1801) but recognized as magical and precious, sought for ornament and adornment, for millennia. Moonstone is the birthstone of June. It is cut in cabochons. To obtain the most beautiful shine, the silvery or bluish glow seeming to touch the surface at the same time as it seems to be hidden in the stone, its base must be parallel to the planes of alternating layers, otherwise the reflection may go unnoticed what takes away any value from the gem. In jewellery, it is also associated with rubies.

Color

White, colourless, blue, green, yellow, orange, brown, pink, purple, grey

Family

Feldspar group

Specifications

The name moonstone is used as a trade name, to designate a mineral from the group of silicates and the family of feldspars. It comes in crystals, pieces or aggregates grained, mostly coarse. Its luminescence is variable according to the colour (bluish or orange) but remains weak. It sometimes presents effects of adularescence (phenomenon of refraction of the light which creates nice reflections) and sometimes of asterism (reflections in star): they are due to the internal structure in superposed lamellae of this mineral.

Moonstone is usually colourless, but it can be white or have bluish shades. It is characterized by the famous reflection of a silvery blue, which gives the impression of sliding on the surface of the stone according to the movements that are printed to it. It is this optical phenomenon that is called adularescence. Beware, the gemstone called Rainbow Moon Stone is actually a variety of labradorite, another mineral. The Royal Blue Moon Stone has a beautiful transparency and bright blue reflections. The variety of Sri Lanka is pale blue, that of India shows a cloudy texture on a beige-brown to orange background.

Moonstone is formed in plutonic and alkaline rocks, particularly in granitic pegmatites, as well as in metamorphic rocks, and sometimes in hydrothermal veins.

Origin

The exploited deposits are mainly in India and Sri Lanka, but they are also found in the United States, Madagascar, Burma, Australia and Brazil, as well as in Tanzania.

Virtues

Moon stone has been associated in all cultures with the feminine principle, called Yin in Chinese medicine, as the Moon is the female star, while the Sun symbolizes the male principle. It represents the light that reassures in the darkness.

In lithotherapy, it would have healing properties against female disorders (inconvenience of menopause, infertility, menstrual pain ...). It would promote eroticism and marital happiness. It would increase intuition, essentially feminine quality, as well as softness and tenderness, and develop tolerance. It would promote the full development of maternal love and soften the temperament of people a little too severe ...

The Moon Stone would bring happiness and reduce the risk of accident. It would be for that the asset of the travelers.

History

The name moonstone is used as a trade name, to designate a mineral from the group of silicates and the family of feldspars. It comes in crystals, pieces or aggregates grained, mostly coarse. Its luminescence is variable according to the colour (bluish or orange) but remains weak. It sometimes presents effects of adularescence (phenomenon of refraction of the light which creates nice reflections) and sometimes of asterism (reflections in star): they are due to the internal structure in superposed lamellae of this mineral.

Moonstone is usually colourless, but it can be white or have bluish shades. It is characterized by the famous reflection of a silvery blue, which gives the impression of sliding on the surface of the stone according to the movements that are printed to it. It is this optical phenomenon that is called adularescence. Beware, the gemstone called Rainbow Moon Stone is actually a variety of labradorite, another mineral. The Royal Blue Moon Stone has a beautiful transparency and bright blue reflections. The variety of Sri Lanka is pale blue, that of India shows a cloudy texture on a beige-brown to orange background.

Moonstone is formed in plutonic and alkaline rocks, particularly in granitic pegmatites, as well as in metamorphic rocks, and sometimes in hydrothermal veins.

 

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