170 results for iron

Quartz has long been the subject of spiritual beliefs and folklore. We were fortunate enough recently in acquiring a large stock of various Quartzes from several locations and have spent time explori ...

Below I will discuss what Petrified Wood actually is and how it is formed. Recently we bought a very large collection of Petrified Wood mostly self-collected in the Southwest United States from the 1 ...

Bloodstone is an interesting dark green jasper with tiny red spots from iron oxide. This attractive chalcedony is also known as Heliotrope, which is derived from Greek meaning sun and to turn, becau ...

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 ...

Tree Agate is a form of Dendritic Agate. Tree Agate is a chalcedony with dendrite inclusions of moss colored green minerals. Tree Agate is an unusual agate as it is usually opaque white and doesn' ...

Mahogany Obsidian is semiprecious stone that is a deep black with blood red streaks. The red coloration is likely the result of trapped hematite or iron. Mahogany Obsidian was probably named that ...

Quartz is the most common single mineral on earth. It is found on every continent, and just about every country. Quartz has a hardness of 7, and it polished and wears well. Macrocrystalline quart ...

Apache Gold is the trade name given to a elegant black and shiny metallic gold rock. It is found in the United Verde Mine in Jerome, Arizona. The black host rock is a Chlorite Schist, the shiny g ...

Obsidian is a natural volcanic glass. It is actually not a mineral, but a mineraloid.  This glassy, lustrous mineral is found in lava flows. Obsidian is produced when lava cools very quickly. T ...

Moss Agate is so named for its mossy shaped or bush like inclusions. These are usually formed with mineral impurities, and are often growths of iron or manganese oxides. Moss Agate is found in ma ...

Metaphysical Meanings on Rocks, Crystals and Minerals What is metaphysics? Metaphysics is the branch of philosophy that investigates principles of reality transcending those of any particular ...

Chrysocolla Cuprite also known as Sonora Sunset, and sometimes Sonoran Sunrise. It is named for the lovely and colorful sunsets (or sunrises) over the Sonoran Desert, from which it is found. This ...