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96 specimens listed
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Rutilated Quartz and Hematite
stock #13.1-175
Novo Horizonte
Bahia, Brazil
3.8 x 2.4 x 1.8 CM (small miniature/ large thumbnail (toenail))
price: $190


A cute toenail sized rutilated Quartz that sits on bladed Hematite crystals that are also Rutilated. The Rutile hairs are bright golden color and very sharp, clearly seen both inside and out of the Quartz. Rutile on Hematite and Rutile inside Quartz are both often available, but it is quite uncommon to see both together like this.
Elbaite -multi color zoned
stock #17.1-412
Santa Rosa
Minas Gerais, Brazil
3 x 1.5 x 1.4 CM (small miniature/ large thumbnail (toenail))
price: $420


A glassy, clean and many colored crystal of Elbaite from an old find (1970 vintage) at Santa Rosa. I count four or five colors at least with some gentle gradations. The termination is the flat basal type and has a hint of blue in some lighting but not so strong as a classic blue cap. In excellent condition though there are some tiny rough spots that are sub millimeter in size and not easy to see . A very nice gem crystal with a choice color pallet zoning from this get locale.
HOLD Rutile on Hematite -epitaxial twins
stock #HOLD 19.1-822
Novo Horizonte
Bahia, Brazil
3.3 x 2.7 x 1.2 CM (miniature)
price: $290


A complete six ray star of golden Rutile needles radiating from a flat bright Hematite crtystal. Two small additional Hematites with Rutile are also present.Fine Brazilian Rutile twins on Hematite crystals are one of the mineral kingdoms wonders. This can be displayed from either side though the view shown is my preference. A choice textbook example of this wonderful crystal habit.
SOLD Variscite- crystalized ball form
stock #SOLD 19.1-393
Ribeirao Cascalheira
Mato Grosso, Brazil
8.4 x 7.4 x 5.3 CM (cabinet)
price: $0


A super well formed Variscite from an area of Brazil we see very few minerals from, Matto Grosso, Better known for well crystalized Gold, this province has occasionally produced some impressive small spheres of Variscite. This has top color is gemmy clear and perfect, perched on a large quartz matrix. This can be trimmed of course (we can do so if requested) but as is the matrix shows well the context and setting of this remarkable Phosphate.
Elbaite -gem clear crystal
stock #18.1-337
Pederniera Claim, Sao Jose da Safira, Doce Valley
Minas Gerais, Brazil
4.2 x .8 x .5 CM (miniature)
price: $220


A clear sharp pair of parallel crystals with slight hint of zoning. Pretty much all gem grade, undamaged and cleanly terminated, this is an affordable and attractive Tourmaline. Since the crystals are rather flat they also transmit light well and are brilliant with any backlight. From finds at the famed Pederneira in 2009.
Kyanite -gem clear crystal
stock #19.1-419
Capelinha
Minas Gerais, Brazil
7.8 x .8 x .3 CM (cabinet)
price: $350


A transparent, glassy single crystal of Kyanite on a small matrix of Quartz. Perfect, complete and very lustrous, this slender crystal comes from a well known Pegmatite and is in remarkable, undamaged condition. With even a weak backlight this glows a rich blue and looks fine from any angle. Kyanite is not a rare mineral but this quality is very uncommon and the proportions are very elegant.
Albite (v. Cleavelandite) - very fine crystals
stock #19.1-283-(3856)
Virgem do Lapa
Minas Gerais, Brazil
7 x 5.8 x 2.7 CM (cabinet)
price: $750


Large, perfect gem clear crystals of Albite with fine textbook form. Ex Rock Currier collection (label # 3856) this shows well the quality of esthetics that Rock was well known for. It is surprising how few collections or even Pegmatite suites we see have a good example of this common Feldspar. These are almost never so esthetic as seen here, this is a striking piece. Albite/ Cleavlandite is a common mineral, but crystals of this size and perfection are just very rare. These crystals are formed as thin hexagonal plates with beveled edges and transverse striations. The whole group is stacked as an epitaxial cluster and shows brilliant glasslike luster. A killer Feldspar, some edges have a dusting of small rosettes of Muscovite that add a nice contrast. Better in person, the individual crystals exceed 5 CM diameter.
Amethyst with Quartz casts after Anhydrite
stock #19.1-284-4990
Frederico Westphalen
Rio Grande do Sul, South Region, Brazil
5.7 x 3.8 x 3.2 CM (cabinet)
price: $160


Elegant form of flower-like Amethyst from the amazing collection of Rock Currier (his label number 4990) . Perfect, 360 degree specimen with the fine esthetics that Rock was well-known for. He imported large quantities of Amethyst from this area and kept just a small but choice selection, of which this is one. The Quartz casts have the square cross section and are hollow as is typical of Anhydrite replacements. This is not exactly the typical form from here and that certainly helped make this a desirable piece for Rock.
96 specimens listed
Page   1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |