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.
CRYSTAL CATEGORIES
CRYSTAL
This mini geode half shows lots of color and mineral variation.
Quartz (silicon dioxide) is the most abundant single mineral on earth.
Amethyst is", perhaps, the best loved of all the quartz varieties. Its warm, purple glow is a favorite in home decorating, and it is widely used as a ...
Ancient Egyptians used the amethyst to guard against guilty and fearful feelings.
Rose Quartz – a member of the quartz family. Like all of the quartzes, this stone is a great channeller and transmitter.
Gypsum forms concretions of selenite blades called desert roses or sand roses, growing in sediments that are subjected to concentrated brines.
Gypsum forms concretions of selenite blades called desert roses or sand roses, growing in sediments that are subjected to concentrated brines.
Gypsum is a soft mineral, hydrous calcium sulfate. Gypsum is the standard for hardness degree 2 on the Mohs mineral hardness scale.
Each piece of Kyanite is similar to the ones pictured. Kyanite is a polymorph with two other minerals; andalusite and sillimanite.
Each piece of Kyanite is similar to the ones pictured. Kyanite is a polymorph with two other minerals; andalusite and sillimanite.
