Posts Tagged ‘woo not needed’

Home Igneous Sedimentary Metamorphic Rock Cycle Danburite Danburite is calcium boron silicate, a crystalline mineral similar to topaz. Danburite, is a relatively new gemstone discovered in 1839 in Danbury, Fairfield County, Connecticut, USA. The original deposit is now buried under the city of Danbury. Color is almost always clear or white, but also can be…

Home Igneous Sedimentary Metamorphic Rock Cycle Covellite Covellite is a Copper Sulfide that is a rare and uncommon mineral. It is probably the deepest Indigo-Blue metallic color you will ever find. Covellite is not a well known mineral and it is difficult and expensive to obtain specimens. It is said that “Covellite’s iridescent allure can…

Home Minerals List Our Policies Shipping Dendritic Moss Opal Conichalcite Conichalcite (Kon-e-Kal-Site) is a relatively common calcium copper arsenate hydroxide mineral. It has a stunning and memorable green color. Once you have seen Conichalcite you will remember it and won’t confuse it with any other mineral. It is often layered in acicular or botryoidal formation…

Home Igneous Sedimentary Metamorphic Rock Cycle Cinnabar Cinnabar refers to the common bright scarlet to brick-red form of mercury(II) sulfide, which is a chemical compound composed of the chemical elements mercury and sulfur. It is virtually insoluble in water. It is the most common source ore for refining elemental mercury, and is the historic source…

Home Igneous Sedimentary Metamorphic Rock Cycle Chalcopyrite in Dolomite and on Calcite Item # CDC09121007Chalcopyrite in Dolomite on Calcite from Reynolds County, Missouri Iridescent Chalcopyrite in Dolomite on a stunning large calcite floater from Reynolds County, Missouri. Brilliant iridescent colors of blue, purple, and green/gold. Natural iridescent specimens can be found in the lead mines…

Home Igneous Sedimentary Metamorphic Rock Cycle Chalcanthite Chalcanthite is a water soluble copper sulfate. As chalcanthite is a copper mineral, it can be used as an ore of copper. However, its ready solubility in water means that it tends to crystallize, dissolve, and recrystallize as crusts over any mine surface in more humid regions. Therefore,…

Home Igneous Sedimentary Metamorphic Rock Cycle Baker Ranch New Mexico Thundereggs The Baker Ranch Agate Mine (aka:The Baker Egg Mine) is located 35 miles southwest of Deming in Luna County, New Mexico.  Baker Ranch is famous for its exciting colorful thundereggs unearthed here.  These colorful deposits come from volcanic activity where andesite and basalt lavas…

Home Igneous Sedimentary Metamorphic Rock Cycle Thundereggs from Deming, NM There is an interesting new find from the Deming, NM area.  Two very unique kinds of Thundereggs, Lava Cap and Eggzilla, were named by the two private claims in the Deming area that have found them. The eggs have plumes or moss formed of calcite…

Brazilian Agate River Polished Brazilian Agate River Polished stones are naturally polished surface agates. The agate is polished by being located in a moving flow of water and small minerals, diamond dust and sand. The agates sometimes roll downstream as well, adding to the polished finish appearance. These rare agates are often called “Slick” Agates…

Home Igneous Sedimentary Metamorphic Rock Cycle Brookite Brookite is a polymorph of titanium dioxide. Titanium dioxide occurs as three natural polymorphic mineral forms (minerals with the same chemicals, TiO2, but different structure) which are Brookite, Anatase and Rutile. Brookite is the rarest of these three minerals. Brookite almost always forms together with Quartz, and is…