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RUBELLITE TOURMALINE Crystal, Cruzeiro Mine, Brazil (rm20-9)
Original price was: $930.00.$875.00Current price is: $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)
SOLD 0ONLY 1 LEFT
| Weight | 10 oz |
|---|---|
| Dimensions | 5 × 5 × 5 in |
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BJ-rm20-9
South America, Tourmaline aluminum, brazil, cruzeiro mine, crystal, elbaite, lithium, silicate, sodium, tourmaline, translucent, trigonal
Original price was: $35.00.$30.00Current price is: $30.00.
TOURMALINE, variety DRAVITE. Large, dark brown crystal. Muscovite coats what appears to be a small Dravite crystal on the terminated end of the main crystal. Luster is vitreous. Sides are striated. The crystal is 1.6 inches in length. From the Power’s Farm location in New York, famous for its Dravite and Schorl Tourmalines.
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.
DRAVITE is a dark brown to black variety of the Tourmaline group. It is a sodium, magnesium, aluminum, boro-silicate mineral. The crystal system is Trigonal. Hardness is 7 on the Mohs scale.
Location: Power’s Farm, Pierrepont, St. Lawrence Co., New York, USA
Specimen size: 1.6 x 1.1 x 0.9 inches
Specimen weight: 55 grams (1.9 ounces)
AVAILABILITY: 1 in stock
AVAILABILITY: 1 in stock
Original price was: $175.00.$150.00Current price is: $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
Original price was: $125.00.$110.00Current price is: $110.00.
Peach colored, translucent TOPAZ crystal. The terminated end is vitreous but all of the sides are adamantine. There is conchoidal fracturing on one side and the bottom. Topaz is the birthstone for November. 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.
AVAILABILITY: 1 in stock
AVAILABILITY: 1 in stock
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