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The mineral Amethyst

amethyst Picture

amethyst Picture

amethyst Picture

Amethyst is an eminent mineral and gemstone. It is mainly purple in color and the most valuable and prized variety of Quartz.. The color of some Amethyst specimens can differ depending on the localities. The color of the stone usually gets a little faded upon protracted exposure to light. To use Amethyst as a gemstone, jewelers often apply heat treatment to brighten and obtain darker hues out of this mineral. Some of its varieties change their color to light green, when they are called "Prasiolite". They have a Vitreous luster and Hexagonal crystal system.

Chemical Formula

SiO2

Derivation Of Name

The word Amethyst is derived from an ancient Greek word “a-methystos, where ”a” stands for ‘not’ and “methystos” stands for ‘intoxicated’. It was believed that this stone protected its owner from drunkenness. The ancient Greeks considered the Amethyst stone as a strong antidote against drunkenness.

Occurrence

The Amethyst Gem Stone occurs in a form of macroscopic crystals. They often form geodes and drusy (natural surface texture of a gemstone) layering in the amygdaloidal cavities (formed during volcanic action in which secondary minerals occur) lined with chalcedony(cryptocrystalline presence of silica, containing veins of Quartz and Moganite). They mainly occur in the quartz veins.

amethyst Picture

Gemology

A rare and expensive form of the mineral Amethyst is the "Deep Russian, " and its value depends on collectors demand. Amethyst is used extensively in jewelry for making a variety of rings, pendants, earrings and the like, as it is an affordable stone

Source

Some states in the south of Brazil and Uruguay account for the most economically significant deposits of Amethyst followed in the third position by Madagascar.

You can also find excellent specimens of Amethyst in the mines of South Korea, Siberia, Sri Lanka,  Zambia in Southern Africa and in a few localities in the United States.

Mineralogy

Amethyst is the macrocrystalline range of Quartz. Quartz is usually the most abundant mineral in the earth’s crust. On an average, 12% of the Quartz can be obtained from a large variety of metamorphic igneous and sedimentary rocks.

 

The Mythical

The crystal of Amethyst is said to bring calm and serenity. It enhances one's ability to assimilate new ideas, and help during meditation. Amethyst is also considered to give mental stability and strength, and to offer balance between one's emotional, physical and intellectual states. Wearing amethyst jewelry helps you in removing toxins from the body and to help treat arthritis.

Amethyst was also vested with miraculous by many of the ancient cultures of the world, who believed in its power to shield crops against the scourge of locusts and tempests, expel evil spirits, bring good luck in hunts and wars, and generally, motivate the intellect.

Color: Purple, violet

Density: 2.65 g/cm3

Hardness: 7 (Mohs scale)

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