Moonstone (adularia, plagioclase, belomorite)

Moonstone ( adularia ) - a relatively rare mineral of the potassium group feldspars , a kind of low-temperature orthoclase. Spar got its name for the shining blue overflow (iridescence) caused by the thin-lamellar structure of the mineral. It is wrong to call moonstone exclusively adularia, as this name refers to pure orthoclase. The moonstone, on the other hand, includes orthoclase and albite.

The name " adular " comes from the mountains Adula in Switzerland, where crystals of this stone were first found .

moonstone sometimes has a “cat's eye” effect. The mineral is fragile, very sensitive to shock and compression. Faint bluish luminescence.

Moonstone inexperience can sometimes be confused with chalcedony or synthetic spinel.

In the trading network under this name, they are very often foundtations of frosted iridescent glass, or scorching , which is also borosilicate glass with the addition of molybdenum.

Belomorite is the name of a plagioclase from a certain places - North Karelia (waters of the White Sea). Many sources disagree on whether it can be attributed to moonstones .

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