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Mineral Specimens with Gibbsite
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GIBBS-04 - Gibbsite - $ 900
Xianghualing polymetallic ore field, Chenzhou Prefecture, Hunan Province, China
cabinet, 10.8 x 9.2 x 7.8 cm
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Translucent, gray-green botryoidal aggregates of greenish-gray gibbsite, to 1.0 cm across, are aesthetically emplaced deep in a vug. I really like the sculptural quality of this specimen and that it shows a whole, entire pocket as found (aside from the quality of the crystallization itself). The shape and look of the botryoidal aggregates are reminiscent of Arkansas wavellite. This is a VERY RICH, fine specimen with unusually large botryoidal crystallization - rarely seen in the find, and thus the pieces stands out from the rest here for that reason.
Stalactitic fingers of botryoidal, translucent, greenish-gray, gibbsite to 1.0 cm across, point skyward in an aesthetic manner. Unusually dramatic , 3-D specimen.
GIBBS-06 - Gibbsite - $ 200
Xianghualing polymetallic ore field, Chenzhou Prefecture, Hunan Province, China
small cabinet, 6.9 x 4.8 x 1.8 cm
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This oysterlike specimen exhibits botryoidal, green gibbsite, to .3 cm across, nestled in a vug.
Emplaced on a crust are botryoidal aggregates of greenish-gray gibbsite, to .3 cm across. Pretty piece but with some obvious front damage.
Almost covering all sides of a stalactitic finger of matrix are translucent botryoidal aggregates, to .7 cm across, of greenish-blue gibbsite..
Emplaced on a 3-dimensional crust are botryoidal aggregates of greenish-gray gibbsite, to .3 cm across.
Covering a large crust of matrix are botryoidal aggregates of translucent, greenish-blue gibbsite, to .5 cm across. Very large and colorful plate for the find!
Thin septae of matrix are host to one layer thick, botryoidal aggregates of greenish-white, gibbsite, to .5 cm across. A very 3-dimensional piece with unusual color gradation to a pastel powder-blue in some places.
GIBBS-12 - Gibbsite - $ 400
Xianghualing polymetallic ore field, Chenzhou Prefecture, Hunan Province, China
small cabinet, 9.1 x 4.6 x 4.4 cm
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Thin, lightweight, boxwork septae, is the host for botryoidal aggregates of green gibbsite, to .5 cm across. Unusual 3-dimensional specimen!
GIBBS-13 - Gibbsite - $ 750
Xianghualing polymetallic ore field, Chenzhou Prefecture, Hunan Province, China
small cabinet, 9.8 x 7.5 x 6.3. cm
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Lustrous and translucent, green botryoidal aggregates of gibbsite, to .7 cm across are situated under some snow white gibbsite, to .7 cm across, in and on a limonite vug. Aesthetic! A very 3-dimensional piece with unusual color gradation to a pastel powder-blue in some places.
GIBBS-14 - Gibbsite - $ 225
Xianghualing polymetallic ore field, Chenzhou Prefecture, Hunan Province, China
small cabinet, 8.8 x 5.5 x 4.8 cm
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A thin crust of lustrous and translucent, green, gibbsite, in botryoidal aggregates to .7 cm across, emplaced on matrix.
Two mounds of translucent, green, gibbsite with botryoidal aggregates to .7 cm across, sit on a thin crust of matrix. Aesthetic!
Pastel, greenish-blue, botryoids of gibbsite, to .3 cm across, are nestled in a vug. A very 3-dimensional piece with unusual color gradation to a pastel powder-blue in some places.
GIBBS-17 - Gibbsite - $ 300
Xianghualing polymetallic ore field, Chenzhou Prefecture, Hunan Province, China
small cabinet, 8.8 x 7.4 x 2.1 cm
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Lustrous and translucent, grayish-green, botryoidal aggregates of gibbsite to .5 cm across, totally cover their matrix. There are also some veins of a white phase of gibbsite for unusual accent
GIBBS-18 - Gibbsite - $ 500
Xianghualing polymetallic ore field, Chenzhou Prefecture, Hunan Province, China
small cabinet, 6.9 x 5.9 x 2.6 cm
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A thin boxwork of matrix is host to a crust of UNUSUALLY waxy & lustrous , translucent, green, gibbsite, to .5 cm across. Aesthetic and finer in outright quality than most such specimens.
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Rob Lavinsky, rob@irocks.com
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