Amethyst

AmethystOne of the most widely recognized and unmistakable minerals, Amethyst has been sought after since ancient times as a gemstone and decorative object. Amethyst is a form of Quartz which gets its beautiful purple tint from the substitution of silicone for iron due to irradiation. It is found in a wide range of shades from deep purple to pale violet and even pink, with color intensity usually deepest at the termination or tip of each crystal.

which over the course of millions of years becomes solid while retaining the semitransparent yellowish hue of tree sap

Aquamarine is a form of Beryl crystal long sought after as a gem and precious stone due to its beautiful blue-green hue and clarity

Pure fluorite is clear

copper has been used by humans as ornamentation

roughly 20 million years ago

sometimes in the same formations

Each contains at least one (most several) clearly visible insect

from the Cambrian age

Amethyst is a form of Quartz which gets its beautiful purple tint from the substitution of silicone for iron due to irradiation

the so-called “Benz” calcite comes from specific formations in Hubei

Malachite has been mined for both use in copper tools and for ornamentation and jewelry

incredibly brilliant pyrite and chalcopyrite