Amethyst Mineral Gallery

A list of the primary chemical classes used to organize mineral species.

Amethyst mineral gallery.

Amethyst is a very common mineral and is found worldwide. B y name framed unframed. Some estimates place quartz at 21 of the earth s total lithosphere. Amethyst a transparent coarse grained variety of the silica mineral quartz that is valued as a semiprecious gem for its violet colour.

Only a select few of the most famous localities will be mentioned here. The world s largest gallery of gems minerals fossils and other natural history products check out our brand new natural history inventory just added to our website. As a mineral specimen amethyst is popular for its color and nice crystal shapes that produce a handsome purple sparkling cluster. Amethyst galleries mineral gallery minerals.

Get free shipping on all orders over 100 anywhere in the united states. Tall prismatic well shaped crystals are restricted to several mexican localities. Piedras parado and las vigas de ramirez both in veracruz. Amethyst galleries mineral gallery describes over 600 mineral species and 5 000 specimens see our new specimens last updated 23 jan 2015 and what s new last updated 03 sep 2014 together with several ways of accessing these descriptions.

The descriptions include searchable mineralogical data plus other information of interest to students and rock hounds. The most common minerals. And amatitlan in guerro they occur in elongated crystals that are rarely faceted since collectors pay well for these. Fluorite is a mineral with a veritable bouquet of brilliant colors.

Amethyst is the purple variety of the mineral quartz and is its most famous and valuable gem variety quartz also contains other gemstones such as citrine rose quartz and smoky quartz the color of amethyst is most often caused by iron impurities though it can also be colored by natural radiation exposure. Minerals can be organized mainly according to their chemistry into the following classes. Feldspar a group of related minerals comprises the bulk of the earth s. Fluorite is well known and prized for its glassy luster and rich variety of colors.

Amethyst is sometimes heat treated to deepen the color or to transform it into citrine. By class carbonates elements halides oxides. Quartz is undoubtedly the single most common mineral in the earth s crust ranging from perhaps 12 of continental crust to as much as 50 of oceanic crust as indicated by the composition of spreading ridge volcanic lavas.