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How to Tumble Rocks - (Post)
What is Rock Tumbling? Rock tumbling is a fun way of polishing multiple semiprecious gemstones simultaneously in a rock tumbler. A rock tumbler is a piece of equipment that has a plastic or rubber-li ...
Fancy Jasper - (Page)Fancy Jasper is the colorful jasper found in Maharashtra, India. Jasper is an ornamental rock composed mostly of chalcedony, microcrystalline quartz, in association with other minerals, which giv ...
Colorado Rocks and Minerals - (Page)Colorado, like most western states, has produced gold, copper, and silver. Gold was discovered in 1859 and the most productive gold mine in Colorado, the Cresson Mine, produced more than 258,000 o ...
New Mexico Rocks and Minerals - (Page)New Mexico is one of the richest states for finding rocks and minerals. Varieties of agate, jasper, chert, or petrified wood are found in 15 of New Mexico's 32 counties. The New Mexico state gems ...
Dendritic Agate - (Page)Dendritic Agates have very thin tree-like inclusions of iron, manganese, or other metallic oxides that grow in natural fractures. These inclusions called dendrites were named after the Greek word ...
Madagascar Rocks and Minerals - (Page)Madagascar produces an amazing array of precious gemstones. In addition they have lots of semiprecious stones such as agates and jaspers, as well as fossils, and minerals. Madagascar is the ...
Cherry Creek Jasper - (Page)Cherry Creek Jasper is a colorful jasper found in Mainland China. It is also known as Red Creek Jasper or Picasso Jasper. It comes from the Cherry Creek Mine and there is a nearby creek named Re ...
Michigan Rock and Minerals - (Page) Michigan has 1,853 records of mining mines according to the U.S.G.S. Lower Michigan is quite level and not much elevated above the Great Lakes, and is underlain by sedimentary deposits of li ...
Sowbelly Amethyst Agate - (Page)Sowbelly Amethyst Agate or Vein Amethyst Agate with Silver Dendrites A lovely material with the unfortunate name of Sowbelly Agate, but it is also known as Vein Amethyst or Amethyst Agate. Sowbel ...
Rhyolite - (Page)Rhyolite is an extrusive igneous rock formed as a deposit of volcanic ash. The ash becomes rock after being exposed to extreme heat and pressure. Iron oxide stains create the beautiful patterns.&n ...
Kansas Rocks and Minerals - (Page)Sedimentary rocks containing coal, salt, and fossils are under Kansas. The surface is sand and gravel from the erosion of the Rocky Mountains and carried eastward by water. These deposits created th ...
Tigerseye or Tigereye - (Page)Tiger eye or Tiger's Eye is a member of the macro-crystalline quartz family. It is usually with rich chatoyant yellow and brown stripes. Occasionally Tiger's Eye can be found blue or red, but ...