Quartz is a mineral composed of silicon and oxygen atoms in a continuous...
Jasper, an aggregate of microgranular quartz and/or chalcedony and other mineral phases,...
Mookaite Jasper is found in Western Australia in the Kennedy Ranges near Mooka...
Moonstone is a sodium potassium aluminium silicate with the chemical formula (Na,K)AlSi3O,8 and belongs...
Morgan Hill Poppy Jasper is variety of orbicular Jasper which contains variably-colored orbs or spherical inclusions...
Morrisonite Jasper comes from the famous Morrisonite Ranch area, above the Owhyee Mountains...
Moss Agate is a semi-precious gemstone formed from silicon dioxide. It is a form...
Nacre, also known as Mother of Pearl, is an organic-inorganic composite material...
Munjina Stone is a colorful silicified pelite from the Jeerinah Formation of the...
Mushroom Picture Rock Rhyolite is an igneous, volcanic rock, of felsic (silica-rich) composition...
Noreena Jasper is a new material that comes from Pilbara region of Western...
Ocean Jasper is a trade name for a multicolored stone from Madagascar, typically...
Onyx primarily refers to the parallel banded variety of the silicate mineral chalcedony....
The northeastern Oregon deposit of precious opal at Opal Butte has been...
The story of the Orpheus stone is shrouded in mystery. According to...
Owyhee Picture Jasper (pronounced Oh-WAH-hee), comes from the rugged Owyhee mountain area situated...
Picture-Jasper is an opaque stone of the microcrystalline Quartz variety. What sets...
Agate is a rock consisting primarily of cryptocrystalline silica, chiefly chalcedony, alternating...
Parrot Wing Stone is a mixture of chrysocolla, jasper, azurite, and quartz. It...
Patagonia Agate from Argentina consists primarily of cryptocrystalline silica, chiefly chalcedony, alternating with microgranular...
The word "jasper" is derived from the Greek word iaspi meaning "spotted...
Pegmatite is an igneous rock, formed underground, with interlocking crystals usually larger...
Petalite, also known as castorite, is a lithium aluminium phyllosilicate mineral LiAlSi4O10,...
