This piece is from the collection of Roger Maynard. Roger is a friend and was a long-time geologist with the US Geological Survey in New Mexico.
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UVITE TOURMALINE Crystal, Bahia, Brazil (rm20-13)
$65.00
TOURMALINE, variety UVITE. Thumbnail-size crystal has dark red color. The red is visible under direct lighting. Red uvite crystals are far less common then green ones. Luster is vitreous. The crystal is 1.0 inch in length. From the Brumado area of Bahia, Brazil.
UVITE is a member of the Tourmaline group. It is a calcium, magnesium, aluminum, boro-silicate mineral. The crystal system is Trigonal. Hardness is 7 – 7.5 on the Mohs scale. Uvite occurs primarily in calcium- and boron-rich, metamorphic and skarn-type environments. In 2020, the International Mineralogical Association redefined Uvite as two separate minerals that are end-members of a solid-solution series: Uvite now refers to the hydroxyl-dominant end-member, while Fluor-uvite is the correct name for the fluorine-dominant end-member.
Location: Pomba pit, Serra das Éguas, Brumado, Bahia, Brazil
Metaphysical properties: Uvite diminishes fears and promotes self-confidence, awakens one from illusions, brings an awareness of reality, and enhances fortitude.
Specimen size: 1.0 x 0.5 x 0.5 inches
Specimen weight: 10 grams (0.4 ounces)
SOLD 0ONLY 1 LEFT
| Weight | 10 oz |
|---|---|
| Dimensions | 5 × 5 × 5 in |
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BJ-rm20-13
South America, Tourmaline aluminum, bahia, brazil, crystal, silicate, sodium, tourmaline, trigonal, uvite
$115.00
Beautiful cluster of green TSAVORITE which is a variety of GROSSULAR (Garnet). The translucent Tsavorite crystals are on a matrix of silvery Graphite. The largest Tsavorite crystal is 0.4 inches. Green color is from traces of chromium. Luster is vitreous. This specimen is from the type locality of Merelani Hills, Tanzania.
AVAILABILITY: 1 in stock
$875.00
TOURMALINE, variety RUBELLITE. Single, translucent crystal with cranberry red color. One end is terminated. Luster is vitreous. Sides are striated. The crystal is 1.9 inches in length. Pictures show with and without a light on the side to illustrate the translucency. From the famous Cruzeiro Mine in Brazil.
This piece is from the collection of Roger Maynard. Roger is a friend and was a long-time geologist with the US Geological Survey in New Mexico.
RUBELLITE is the red, lithium-rich variety of the Tourmaline group. It is a sodium, lithium, aluminum, boro-silicate mineral. The crystal system is Trigonal. Hardness is 7 – 7.5 on the Mohs scale.
Location: Cruzeiro mine, São José da Safira, Minas Gerais, Brazil
The Cruzeiro Mine is one of the most important gem and specimen mines in the world. It has been mined for tourmalines and other mineral specimens since the 1950’s. There are at least five distinct pegmatites worked in the mine.
Specimen size: 1.9 x 0.5 x 0.5 inches
Specimen weight: 14.5 grams (0.5 ounces)
AVAILABILITY: 1 in stock
$180.00
Cross section of a RHODOCHROSITE STALACTITE from the famous Capillitas mine in Argentina. Since most of the Rhodochrosite from this mine is sold to make jewelry, it is priced according to weight. This piece weighs 25 grams. At US$8 per gram, the price is $200. Three years ago, the mine was taken over by the government to mine silver and copper. No more Rhodochrosite will come from this mine.
AVAILABILITY: 1 in stock
$150.00
Slice from a cluster of RHODOCHROSITE STALACTITES from the famous Capillitas mine in Argentina. The dozens of creme-colored “straws” are quite striking. Three years ago, the mine was taken over by the government to mine silver and copper. No more Rhodochrosite will come from this mine.
AVAILABILITY: 1 in stock
AVAILABILITY: 1 in stock
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