Brought to you by SIDEWINDER MINERALS
RUBELLITE TOURMALINE Crystal, Cruzeiro Mine, Brazil (rm20-9)
$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
$200.00
A beautiful and highly aesthetic matrix elbaite with lepidolite specimen from this famous locality. Perfect for Display.
Location:
Pederneira Claim
San Jose da Safira, Doce Valley
Minas Gerais,
Brazil
Size:
L: 1.4 cm W: 1.3 cm H: 2.7 cm
Brought to you by KQ Minerals / Cowboy Crystals
-Keith Hayes Collection
$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
$190.00
Double-terminated, Scalenohedral Rhodochrosite from Uchucchacua Mine, Peru
Very pretty and showy gem lustrous red scalenohedral crystals of rhodochrosite are set on matrix. The largest rhodochrosite crystal is double-terminated and measures 17 mm in length. Excellent cherry-red color. Glassy to Vitreous luster.
Location: Uchucchacua Mine, Oyon Province, Lima Department, Peru
Specimen size: 5.0 x 3.4 x 3.2 cm (2.0 x 1.3 x 1.3 inch) Miniature
Specimen weight: 70 grams (2.5 oz)
AVAILABILITY: 1 in stock
$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
$65.00
This brilliant cluster of BRAZILIANITE crystals is translucent. The longest crystal is 1.0 inch. Color is green with a hint of yellow. The luster is vitreous. This specimen is from the collection of Roger Maynard. Roger is a friend and was a long-time geologist with the US Geological Survey.
AVAILABILITY: 1 in stock
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