Posts Tagged ‘woo converted’
Ocean Jasper
Orbicular Ocean Jasper The Lapidary Journal reported this description: “This new rock has been found along the northwest coast of Madagascar after years of unsuccessful searching. The deposit formed as a rhyolite flow but has been completely silicified. The rhyolitic eyes or orbs come in an astonishing array of colors and color combinations. The background…
Read MoreObsidian, Jalisco
Rainbow Obsidian from Jalisco, Mexico Some of the pretiest Rainbow Obsidian cames from the state of Jalisco in Mexico hosts the fourth-largest obsidian deposits in the world. In pre-Hispanic times, obsidian was perhaps as valuable as oil is today because from it could be made into knives, scrapers and arrowheads, as well as jewelry and…
Read MoreObsidian
Obsidian Obsidian is a rock which is a type of naturally occurring glass, produced by volcanoes (igneous origin) when a felsic lava cools rapidly and freezes without sufficient time for crystal growth. It is commonly found within the margins of felsic lava flows, where cooling is more rapid. Because of the lack of crystal structure,…
Read MoreBeryl Crystals Ray Mine
Home Igneous Sedimentary Metamorphic Rock Cycle NC Beryl Crystals Ray (Wray) Mica Mine, Yancey County, N.C. Ray Mica Mine, Burnsville, Yancey County, N.C. The Ray Mica Mines are located on Hurricane Mountain, 4.0 km (2.5 miles) SSE of Burnsville, in the Bolen’s Creek area, on National Forest land.The mine is actually a series of open…
Read MoreMuscovite on Black Tourmaline
Muscovite on Black Tourmaline (Schorl) from Brazil We were lucky enough to get a few specimens of this new find from Brazil. One of our import suppliers was able to provide us with a couple specimens of this heavy and fragile specimen. These are large acicular (needle like) formations of black schorl tourmaline with a…
Read MoreMuscovite(Mica)
Muscovite, Mica, Isinglass Muscovite is a silicate mineral that contains potassium and aluminum. It is also known as Mica or Isinglass. Muscovite may form in layers of sheets (called “Books”) which are clear with a pearly luster on cleavage faces or as a rock forming mineral found in igneous, metamorphic and sedimentary rocks, often having…
Read MoreMica North Carolina
Mica from North Carolina Mica is a group of thirty seven minerals that are physically and chemically similar. They are all sheet silicate minerals (form in distinct layers). Micas are lightweight and soft, and the sheets and flakes of mica are flexible. Mica has a pearly or vitreous luster and is heat-resistant and does not…
Read MoreMica Crystals from North Carolina
Crystallized Mica The Mica Group Large crystals of mica used for various applications are typically mined from granitic pegmatites. Collectible Mica specimens in the USA can be found in Spruce Pine, Franklin-Sylva and Shelby Hickory districts of North Carolina. The mica group of sheet silicate (phyllosilicate) minerals includes several closely related materials having nearly perfect…
Read MoreMalachite Stalactite Fingers
Home Minerals List Our Policies Shipping Dendritic Moss Opal Malachite Stalactite Fingers Sale! Very Rare Malachite Stalactite Fingers from the Star of the Congo Mine $2,495.00 Original price was: $2,495.00.$1,750.00Current price is: $1,750.00. Add to cart Due to the weight and fragility of this specimen it will be sold at the listed price… PLUS… our…
Read MoreMalachite
Malachite Malachite is a carbonate mineral normally known as “copper carbonate”. This green-colored mineral most often forms Botryoidal, fibrous, or stalagmitic growths. Individual crystals are rare but do occur as slender to acicular crystals. Malachite is a well known and very popular semi-precious stone. It is named for the Greek word for “mallow”, a green…
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