April 5, 2016

Hematite is the mineral form of Iron Oxide, composed of two elements key in our lives, iron and oxygen.  It is commonly recognized in its tumbled form for its stunning, shiny metallic black and silver mirroring qualities.  Its name, however, is derived from the Latin H...

April 5, 2016

Optical Calcite is a transparent form of Calcite which is, chemically speaking, Calcium Carbonate. Commonly called Iceland Spar thanks to Iceland's prolific output of this crystal, this form of Calcite is eye-catching for its perfect rhombohedra cleavage and demonstrat...

March 31, 2016

Moldavite is a rare olive-green silica based tektite that likely formed during a meteorite impact, though science apparently does not definitively know.  The most commonly accepted theory is that Moldavite was formed when a large meteorite crashed into Earth in the Boh...

March 31, 2016

Selenite (calcium sulfate dihydrate) is a crystal form of gypsum, occurring as either transparent and colourless (or very subtly coloured) or as needle-like fibrous shimmering opaque crystals.  Selenite does not contain significant amounts of selenium, but rather both...

March 31, 2016

Most Lapis Lazuli is a combination of 7 or so minerals and is technically a rock.  Its main component is Lazurite and it also contains easily recognizable Calcite, Sodalite & Pyrite.

 

Mined for over 6000 years in present-day Afghanistan, Lapis has been revered by ancien...

March 31, 2016

Pyrite (Iron Sulfide) is an exquisite example of iron crystallization that is very common in the Earth's crust, found in almost every possible geological environment.  It is a polymorph of Marcasite, having the same chemical makeup but different structure, symmetry and...

March 31, 2016

 

An expert will likely understand Garnet as the name for a group of more than 10 different gems with a similar chemical structure.  They are silicate minerals often found in beautiful dodecahedral habits.  Common crystal admirers are most often aware of 2 specific Garn...

March 31, 2016

Malachite is an easily recognizable stone, its dramatic green colour is due to its high copper content.  Often displaying a variety of green-coloured bands and bubbly eye-shaped features, Malachite's beauty has been valued for thousands of years.  With evidence that it...

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