Colorful gemstones were first found on the earth's surface. There is evidence of gemstone mining of lapis lazuli in Afghanistan as early as 5,000 BC. In 3,000 BC, There was mining of turquoise in the Sinai peninsula and of emeralds in Egypt. Amber was traded in the areas around the ...
They can be found in colors that range from clear through yellow, orange, pink, red, green, and blue. Multiple colors are often found in the same crystal, making bicolor and tricolor stones possible. StateGemstones Arizona Arkansas California Colorado Idaho Louisiana Maine Montana Nevada North ...
This stone can be found in China, India, Kenya, Madagascar, Namibia, Russia and the state of Colorado and Nevada in the United States. In recent years the gemstone Amazonite has been used in all kinds of jewelry from Victorian Jewelry to Southwest Jewelry. Amazonite is generally opaque and ...
"Cape" ruby which is really garnet (pyrope) found in South Africa "Colorado" ruby is really garnet (pyrope) "Mountain" ruby which is really red garnet "Siberian" ruby which is really dark pink or red tourmaline Almandine garnet, fluorite, hyacinth, pyrope garnet, topaz, and zircon can also...
Even if you have heard ofrhodochrosite, you may have only seen it in opaque cabochons, but rhodochrosite can be a very rare, transparent reddish gem from the Sweet Home Mine in Colorado. According to a rhodochrosite vendor, "the magic of the Sweet Home rhodo is the almost neon red glow ...
Most people don't think of Tennessee when they think of agate, but some of the most interesting agates in the United States are found in Tennessee. "Paint Rock" Agate is the most famous. It occurs in a wide variety of colors, patterns, and appearances. The most common are swirls and ...
Spessartine of an orange-yellow is found in Madagascar. Violet-red spessartines are found in rhyolites in Colorado and Maine.Ugrandite group – calcium in X siteAndradite: Ca3Fe2(SiO4)3 Grossular: Ca3Al2(SiO4)3 Uvarovite: Ca3Cr2(SiO4)3...
Usually found in red, yellow or brown, Jasper stone is a fine grained, opaque variety of Chalcedony. Jasper gets its interesting patterns, bands, and colors from the organic minerals and oxides that it contains. Jasper is found in Germany, India, Russia, Pakistan, France, and the United Sta...
Romania, Spain, France, Russia, Argentina, Mexico, Germany, Italy, South Africa, United States (Colorado, Montana). Appearance Named from the greek "rose-colored", rhodochrosite is a remarkable rose-pink colored by manganese. In the massive form, it is found along with calcite and siderite, ...
Thenew researchwas presented by Kevin Cannon, a planetary scientist at the Colorado School of Mines, during theLunar and Planetary Science Conferenceearlier this month. Mercury is the smallest planet in the solar system and the closest to the sun. Much like Earth’s moon, deep craters riddle ...