Smithsonite: properties, color, crystals, uses, gemstone - Geology.com
Smithsonite is a zinc carbonate mineral with a chemical composition of ZnCO 3. Today it is a minor ore of zinc, but in the early days of metallurgy it was one of the most important ores. Typical smithsonite colors are brown, gray, white, green, and yellow.
Smithsonite - Wikipedia
Smithsonite is a variably colored trigonal mineral which only rarely is found in well formed crystals. The typical habit is as earthy botryoidal masses. It has a Mohs hardness of 4.5 and a specific gravity of 4.4 to 4.5. Smithsonite occurs as a secondary mineral in the weathering or oxidation zone of zinc-bearing ore deposits.
Smithsonite Value, Price, and Jewelry Information - Gem Society
Smithsonite belongs to the calcite mineral group. It also forms a series as the zinc-dominant (Zn) end member with iron-dominant (Fe) siderite. For many years, collectors have prized blue-green smithsonites from New Mexico and yellowish stones from Tsumeb, Namibia.
Smithsonite Gemstone Information - GemSelect
Smithsonite is typically found in varying shades of light-blue to blue, light-green to green, and is often mixed with green and blue turquoise hues. Color variations are widespread owing to varying amounts of zinc and other trace impurities. Green and blue smithsonite is colored by copper, while cobalt is known to result in pink and purple.
Green Smithsonite - Etsy
Check out our green smithsonite selection for the very best in unique or custom, handmade pieces from our rocks & geodes shops.
Smithsonite | Properties, Formation, Occurrence ... - Geology …
2024年7月1日 · Green Smithsonite: Green smithsonite is another popular variety, which can range from light mint green to rich emerald green. The green color is typically associated with the presence of iron or copper impurities.
Smithsonite Gemstone: Properties, Meanings, Value & More
2022年8月13日 · Smithsonite is a zinc carbonate mineral commonly found in stalactites and globular, botryoidal (grape-like) masses (sometimes with a druzy surface). The mineral occurs in various colors and with inclusions of other minerals. Smithsonite can even pseudomorph into other minerals like calcite or fluorite.
Cuprian Smithsonite - RC24-01 - 79 Mine - USA Mineral Specimen
This is a gorgeous specimen of saturated, bright, intense green Smithsonite and it's from the 79 Mine in Arizona. Lustrous, translucent, bright apple green, botryoids of Cuprian Smithsonite to 1.2 cm across form large clusters and elongated aggregates across the matrix on the display face.
Smithsonite Gem Guide and Properties Chart - Gemstones.com
The presence of copper gives smithsonite its green to blue coloring. Trace amounts of cobalt are responsible for pink to purple hues while cadmium makes smithsonite yellow, and iron gives it a brown to reddish-brown color.
The Mineral smithsonite - The Mineral and Gemstone Kingdom
Smithsonite is composed of zinc carbonate, but the zinc may be partially replaced with other elements. Those elements are responsible for the color variations. For example, copper often causes green or bright blue colors, and cobalt causes a pink to purple color. Cadmium makes Smithsonite yellow, and iron gives it a brown to reddish-brown color.