Bertrandite - Mineral specimens search results

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Mineral specimens search results for [ Bertrandite ]

Doubly terminated complete and twinned Bertrandite crystal with very well defined polycrystalline growths. It has a pearly luster with a snowy white color and it is on matrix with Albite. Really exceptional.
Golconda pegmatite, Governador Valadares, Vale do Rio Doce, Minas Gerais Brazil (12/2016)
Specimen size: 7.7 × 6.4 × 3.7 cm = 3.03” × 2.52” × 1.46”
Price: €2200 / US$2343 / ¥358950 / AUD$3610

EA62AM2: Bertrandite with Quartz (variety smoky) and Pyrite

Groups of flat prismatic Bertrandite crystals, very sharp and well defined, many of them doubly terminated, which contrast with the smoky tones of the group of Quartz crystals, partially covered by small Pyrite crystals. An excellent specimen of a rare species from a currently extinct locality.
Kara-Oba, Betpak-Dala (Bet-Pak-Dala) Desert, Karaganda Region Kazakhstan (1985-1990)
Specimen size: 24 × 20 × 14 cm = 9.45” × 7.87” × 5.51”

Main crystal size: 1 × 0.4 cm = 0.39” × 0.16”
Price: [SOLD]

AF99M4: Bertrandite with smoky Quartz

Groups of flattened prismatic crystals, very sharp, which contrast with the deep smoky tones of the Quartz crystals as a matrix. The size, definition and color of the Bertrandite crystals make this specimen very extraordinary.
Kara-Oba, Betpak-Dala (Bet-Pak-Dala) Desert, Karaganda Region Kazakhstan (1995)
Specimen size: 10.1 × 6 × 4.5 cm = 3.98” × 2.36” × 1.77”
Price: [SOLD]

EB12R4: Fluorapatite with Bertrandite, Albite, Muscovite and Quartz

Aggregates of small crystals of Fluorapatite, most of them doubly terminated. The crystals are very bright and have a vivid blue color. They are with Quartz, Muscovite and crystals of Albite partially coated by small groups of Bertrandite crystals, visible under a magnifying glass, that are of excellent quality, clear, bright and many of them doubly terminated. We'll send a copy of the Bertrandite analysis to the buyer.
The specimen has been reviewed, photographed and published as a new discovery in the magazine ‘Mineral Up’ on page 45 in number 2011/1
Machadão pegmatite, Golconda pegmatite, Governador Valadares, Vale do Rio Doce, Minas Gerais Brazil (05/2010)
Specimen size: 6.6 × 3.2 × 2.4 cm = 2.60” × 1.26” × 0.94”

Main crystal size: 0.3 × 0.3 cm = 0.12” × 0.12”
Price: [SOLD]

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