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Neptunite

Neptunite, Gem Mine, San Benito Co., California thumbnail - x x 2 cm

✯ Jeremejevite :: From Erongo Mountains, Namibia ✯

Jeremejevite is a rare aluminium borate mineral with variable fluoride and hydroxide ions. Its chemical formula is From Namibia (one more reason to visit!

California Minerals This topaz, albite feldspar, and quartz specimen is from the Little Three mine in San Diego County, California. Photo by Robert Weldon/GIA, courtesy Gem & Mineral Department, Natural History Museum of Los Angeles County.

fishstickmonkey: “ California Minerals This topaz, albite feldspar, and quartz specimen is from the Little Three mine in San Diego County, California. Photo by Robert Weldon/GIA GIA ”

Neptunite - silicate mineral. W/ increasing manganese it forms a series w/ mangan-neptunite. Watatsumiite is the variety w/ vanadium replacing the titanium in the formula. Gem Mine, San Benito Co., California miniature - 3.7x2x1.5cm

W/ increasing manganese it forms a series w/ mangan-neptunite. Watatsumiite is the variety w/ vanadium replacing the titanium in the formula. Gem Mine, San Benito Co.

Mineralienatlas Lexikon - Aquamarin

March's Birthstone is Aquamarine: calms the mind and opens up channels to spirit, intuition, and clairvoyance; is a calming stone that promotes clarity in thought.

A bright purple emerald cut Gel Sugilite. The name "Gel" is given to the translucent material that has good   crystallization and gives the finished gem a glassy look. It is rare and very prized. Less than 1% of the mined Sugilite is "gel".   This piece weighs 1.10 carat is well cut with good polish and has lighter purple color veins. From Hotazel.  From Mineral Auctions    via Sabrina Jordan

A bright purple emerald cut Gel Sugilite. The name "Gel" is given to the translucent material that has good crystallization and gives the finished gem a glassy look. It is rare and very prized.

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