A crystal or crystalline solid is a solid material whose constituents, such as atoms, molecules or ions, are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions. In addition, macroscopic single crystals are usually identifiable by their geometrical shape, consisting of flat faces with specific, characteristic orientations.
This boytrioydal Prehnite is a near spherical shape with a dark green Epidote crystal coming through the bottom side of the Prehnite. It is in great ...
This is a very interesting piece. These are multiple double terminated Smokey Amethyst crystals grown tip to tip into a Scepter-like cluster.
These Barite crystals are not typical blue crystals. They have more of a blueish tint to them, but at the same time still maintain the clear tan ...
This is a great piece of Stilbite. It is still in a nice U shaped matrix.
This Piece of Hematite Pseudomorph after Magnetite is in amazing condition.
These Quartz with Hedenbergite are great little specimens. They are only found in this specific location in Greece.
This Vesuvianite cluster is the bed for a nice sized Calcite crystal. There is some contact damage to the bottoms of the Vesuvianite and there is ...
This is a pale blue, etched termination from Brazil. It is very interesting and a beautiful piece.
This is a very nice specimen of the beige scheelite and muscovite from the top local of this species.
This is one of the very nice scheelite specimens from the top local of this species.
Nice piece from the famous scheelite mine in China.
This specimen has some great character to it. Each of the three Pyrite pieces are not just single crystals.
These fluorite crystals are not only a deep purple with nearly perfect structure, but they are also the ONLY Fluorite that fluoresces red.
This combination is very unique from the famous topaz area in Utah. The pseudo-morph of hematite after garnet with topaz and bixbyite is all together ...
Location: Maynard's Claim, Thomas Range, Juab County, Utah
Location: Alpine, California