Posts Tagged ‘woo not needed’

Home Igneous Sedimentary Metamorphic Rock Cycle Pyrrhotite Pyrrhotite from Dal’negorsk, Primorskiy Kray, Russia Pyrrhotite is an unusual iron sulfide mineral in the niccolite group with up to 20% variable amounts of iron and or sulfur. Pyrrhotite is also called magnetic pyrite because the color is similar to pyrite and it is weakly magnetic. The magnetism…

Home Minerals List Our Policies Shipping Dendritic Moss Opal Pyrolusite Pyrolusite is a common manganese mineral, manganese dioxide, (MnO2) that constitutes an important ore. Its name is from the Greek for fire and to wash (in reference to its use as a way to remove tints from glass). It is always formed under highly oxidizing…

Home Igneous Sedimentary Metamorphic Rock Cycle Pyrite Suns (Pyrite Dollars) These Pyrite Suns are from Sparta, Illinois. Pure Pyrite crystallization with no matrix, featuring radiating golden crystals that sparkle in the light. These are also known as Pyrite Dollars, Sun Dollars, or Miners Dollars. Collected in a coal mines three hundred feet below the earth’s…

Home Igneous Sedimentary Metamorphic Rock Cycle Pyramids Rock and Mineral Pyramids for the Pyramid Collectors! Item # 1PYMD11160001D25Agate Pyramid Burnt Orange Agate Pyramid from Brazil This one has a 1.5 x 1.4″ base and is 1.3″ tall. The base has chamfered edges. This has been in our personal collection display case since 2002 specimen weighs…

Home Igneous Sedimentary Metamorphic Rock Cycle Psilomelane (Manganese) Psilomelane is found as a secondary mineral in the oxidized zone of manganese deposits. Its Associated Minerals are Pyrolusite and manganite. It gets its name from the Greek “psilo” for smooth and “melane” for black. Psilomelane, also known as black hematite, is a group name for hard…

Home Igneous Sedimentary Metamorphic Rock Cycle Scolecite Though somewhat rare, Scolecite is a popular mineral among collectors. It forms in volcanic bubbles called vesicles along with other zeolites. The Deccan basalt flows that cover 200,000 square miles of west central India are a prime source of fabulous Scolecite specimens. Large gas bubbles trapped in the…

Home Igneous Sedimentary Metamorphic Rock Cycle Sand Spikes from Mount Signal Sand Spikes (Sand Concretions) from Mount Signal Excerpted from: Oddities of the Mineral World Van Nostrand Reinhold Company 1976. All rights reserved. These strange concretions, called sand spikes, came from a now-depleted locality near the Mexican-American border close to Mt. Signal, Imperial County, California.…

Home Igneous Sedimentary Metamorphic Rock Cycle Sand Selenite Desert Formations Sand Selenite formations are mineral formations that are found on the surface and are beautiful examples of the earths natural power of the shaping forces of wind, water and pressure in dry, arid regions. These formations may be called Desert Roses, or other similar names…

Home Igneous Sedimentary Metamorphic Rock Cycle Sandstone Arches Utah’s Famous Sandstone Arches All photos by David Hiser, all courtesy of National Archives. Anyone who ever travelled through Southern Utah has been mesmerized with the beauty of the wonders that nature has created. Huge Sandstone Arches are seen all over the state and are absolutely amazing.…

Home Igneous Sedimentary Metamorphic Rock Cycle Sand Calcite Crystals Sand Calcite Crystals from Washabaugh County, South Dakota Washabaugh was first established in 1883 as a county in Dakota Territory from a part of Lugenbeel County. It became a county in the new state of South Dakota in 1889. Washabaugh remained an unorganized county lying entirely…