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benitoite..no es safiro pero lucen similar

California designated benitoite as the official state gemstone in sometimes called the blue diamond; gem-quality benitoite crystals are found only in California.

Larimar (Blue Pectolite) - 1/2 Polished Piece. $110,00, via Etsy.

Items similar to Beautiful Larimar 'Dolphin Stone' Slice. Crystal Healing / Mineral Specimen (RESERVED for Piper) on Etsy

Benitoite is a very rare blue crystal that was designated the official state gem of California USA by Governor George Deukmejian in 1985.

Benitoite from California. Very rare now that environmentalist have closed off acres surrounding the gem mine because of asbestos in the area. Benitoite fluoresces under black light.

Benitoite  Structure : Hexagonal  Hardness : 6.5  Specific Gravity : 3.67  Refractive index : 1.76 - 1.8  Doubly Refracting (bi-refraction) : 0.047

California designated benitoite as the official state gemstone in sometimes called the blue diamond; gem-quality benitoite crystals are found only in California.

Benitoite blue crystals on Natrolite white matrix with a few small Neptunite crystals / Dallas Gem Mine, San Benito County, California,

Benitoite blue crystals on Natrolite white matrix w/ a few small Neptunite crystals / Dallas Gem Mine, San Benito County, California,

“Benitoite,” Dallas Gem Mine, San Benito County, California, trillion cut, 2.29 cts.

Benitoite from Dallas Gem Mine, San Benito County, California

Opala

Opala

Benitoite and Neptunite, California USA

Benitoite and Neptunite. Benitoite is a rare barium titanium silicate mineral. Locality: San Benito County, CA.

*68mm* Mineral! RARE Fossil Wood PRECIOUS OPAL Crystal - Virgin Valley, Nevada / Mineral Friends <3                                                                                                                                                     Más

68mm* Mineral! RARE Fossil Wood PRECIOUS OPAL Crystal - Virgin Valley, Nevada

Rare Fossil Wood Precious Opal Crystal - Virgin Valley, Nevada in Collectibles, Rocks, Fossils & Minerals, Crystals & Mineral Specimens

Item #A12 Brilliant specimen of crystalline Native Gold with Tellurides! This lustrous specimen features a network of interwoven crystals with darker Tellurides scattered about. The colorful toning of this specimen speaks to its age, as the color varies from bright golden-yellow to the gorgeous reddish-orange patina. From the German Bar Mine, Alleghany, Forest District, Sierra Co., California. Weight is approximately 28 grams. Measures 3 cm by 4.7 cm by 2.2 cm in total size.

Crystalline Native Gold with Tellurides

Benitoite and Neptunite from Gem Mine, San Benito Co., CA. Benitoite:  A blue barium titanium silicate mineral found in hydrothermally altered serpentinite. It is the CA state gem-stone. Neptunite: Named for Neptune, the Roman god of the sea, because it was found with aegirine, named for the Scandinavian god of the sea.

Benitoite and Neptunite from Gem Mine, San Benito Co. Benitoite: A blue…

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