David K. Joyce

Brazil Minerals, Various

Here is an assortment of unusual Brazilian minerals, mostly from Pegmatite environments.

All prices in Canadian dollars. For payment in US$, deduct 23% or multiply by 0.77.

Click on any of the following thumbnails to view a larger image of the specimen.

Item #15783 Anatase 2.0x0.8x0.6 cm Largest Crystal Size: as above $25.00 Datas Minas Gerais Brazil A uniquely shaped, sharp, excellent anatase crystal. Really elegant!	Item #15784 Anatase 2.0x0.7x0.5 cm Largest Crystal Size: as above $25.00 Datas Minas Gerais Brazil Here is a unique crystal! An interesting, long, tapered anatase crystal. Unusual morphology!	Item #15901 Rutile 2.1x0.8x0.7 cm Largest Crystal Size: as above $25.00 Diamantina Minas Gerais Brazil A sharp, lustrous (as only rutile can be!) doubly terminated rutile crystal from a classic locality!	Item #16768 Siderite, Quartz, Pyrrhotite, Albite 7.7x4.8x3.4 cm Largest Crystal Size: q-40mm, s-16mm $160.00 Morro Velho Mine Nova Lima, Minas Gerais Brazil A sweet specimen showing sharp, discoidal siderite crystals associated with clear, colourless quartz crystals. These are sprinkled with tiny, sharp pyrrhotite crystals and some sharp clear albite crystals. Classic, long-closed mine!
Item #16771 Quartz 11.0x9.2x6.0 cm Largest Crystal Size: 106mm $95.00 Brazil A really nice-looking cluster of quartz crystals featuring one particularly one larger 100+mm long, and stout crystal. Displays very well!	Item #16772 Quartz 10.8x7.1x7.5 cm Largest Crystal Size: 10.5 $80.00 Brazil A cluster of three stout, clear quartz crystals. Slight bruising. Diplays very well!	Item #17229 Almeidaite 2.3x1.4x0.5 cm Largest Crystal Size: as above $60.00 Novo Horizonte Bahia Brazil A rough, thick tabular crystal of this rare Pb-Mn-Zn-Y-Ti Oxide mineral. This crystal is from the original find and one of a relatively few crystals that were recovered. It shows what appear to be dominant pinacoidal faces on each side and some other faces on the sides. Typical, crackled surface appearance. Rare! These are all that I have.	Item #17215 Greifensteinite, Eosphorite 3.1x3.3x2.0 cm Largest Crystal Size: gr-micro $65.00 Taquaral Seco Mine Itinga, Minas Gerais Brazil Sharp, divergent greifensteinite crystals are on and between eosphorite crystals up to 1.5cm or so. Also tiny tufts of an unknown white acicular mineral. Excellent!
Item #17216 Greifensteinite, Eosphorite 4.3x3.5x2.5 cm Largest Crystal Size: gr-micro $75.00 Taquaral Seco Mine Itinga, Minas Gerais Brazil Many sharp, greifensteinite crystals are between much larger eosphoritwe crystals on this microcline crystal section. Also some very nice tufts of an unknown mineral. Very nice!	Item #17219 Greifensteinite, Eosphorite, zanazziite 6.0x5.8x3.3 cm Largest Crystal Size: x-micro $85.00 Taquaral Seco Mine Itinga, Minas Gerais Brazil Lots of elongated eosphorite crystals on the front of this microcline, lepidolite matrix. The eosphorite crystals are partly encrusted with countless, excellent greifensteinite crystals. As WELL, there are clusters of superb, platy, slightly yellow zanazziite crystals here and there. Really nice specimen!	Item #17225 Greifensteinite, Eosphorite 3.3x2.3x2.2 cm Largest Crystal Size: g-1mm $45.00 Ipe Mine Governador Valadares, Minas Gerais Brazil This specimen is a fully terminated quartz crystal on albite matrix. The termination of the quartz crystal is largely covered with eosphorite and balls of greifensteinite. There are also some needles of elbaite here and there on the piece. Interesting!	Item #19292 Hematite 3.5x2.8x2.4 cm Largest Crystal Size: 20mm $35.00 Congonhas Minas Gerais Brazil Really nice cluster of blocky hematite crystals, showing complex crystal forms and high, sub-metallic luster. Very nice!
Item #20197 Quartz, Dolomite 7.2x6.0x3.5 cm Largest Crystal Size: 72mm $125.00 Morro Velho Nova Lima Minas Gerais, Brazil A sweet specimen of lustrous, gemmy quartz with disc-like, sharp dolomite crystals. Small sulphide crystals are sprinkled here and there. Long closed mine. Displays well!	Item #21479 Beryl 10.7x7.5x7.0 cm Largest Crystal Size: as above $160.00 Minas Gerais Brazil A very nice singly terminated beryl crystal showing a pinacoid termination, modified by at least a couple of pyramidal modifications. There are gemmy areas that can seen through the termination but most of the crystal is milky in the outer zones. Excellent example of beryl! R	Item #22199 Epidote 10.1x2.1x2.0 cm Largest Crystal Size: 101mm $85.00 Cappelinha Minas Gerais Brazil Just an exceptional, elongated crystal of dark-green, epidote from a modern Classic location. As you can see, the specimen consists of one larger, terminated crystal with a couple of smaller crystals attached. Very nice! r	Item #22658 Cubanite, Siderite, Dolomite, Albite, Pyrrhotite 9.5x6.3x8.0 cm Largest Crystal Size: cub-5mm $325.00 Morro Velho Mine Minas Gerais Brazil An excellent specimen from this old, long closed mine. It is a cluster of siderite and dolomite crystals that is speckled with many pyrrhotite crystals and a number, at least eight or more sharp, beautiful cubanite crystals. There is also one large quartz crystal and a nice bladed white albite crystal. Excellent!
Item #22661 Herderite 1.7x0.8x0.7 cm Largest Crystal Size: 11mm $35.00 Xamba Mine Minas Gerais Brazil A fairly complete, white herderite crystal is perched on some mica and tourmaline crystals.	Item #22681 Monazite-(Ce) 1.6x1.1x0.6 cm Largest Crystal Size: as above $60.00 Buenopolis Minas Gerais Brazil A very nice, penetration twin of this rare-earth mineral. Rock Currier Label accompanies. Nice example!	Item #22682 Monazite-(Ce) 1.5x1.4x0.9 cm Largest Crystal Size: as $60.00 Buenopolis Minas Gerais Brazil A blocky, interpenetration twin of this Cerium-Rich rare earth mineral. Rock Currier Label Accompanies.	Item #22683 Monazite-(Ce) 1.9x1.3x1.3 cm Largest Crystal Size: as above $60.00 Buenopolis Minas Gerais Brazil Excellent, interpenetration twin composed of two sharp, bladed monazite crystals. Rock Currier Label Accompanies
Item #22684 Monazite-(Ce) 2.2x1.8x1.3 cm Largest Crystal Size: as above $60.00 Buenopolis Minas Gerais Brazil A thick, blocky twin member with a thinner member in this penetration twin of monazite. Some other smaller crystals attached. Rock Currier Label accompanies.	Item #22693 Monazite-(Ce) 2.1x1.8x1.2 cm Largest Crystal Size: as above $60.00 Buenopolis Minas Gerais Brazil An interesting penetration twin of Monazite-(Ce).	Item #22692 Monazite-(Ce) 1.7x1.6x1.6 cm Largest Crystal Size: as $60.00 Buenopolis Minas Gerais Brazil A sharp "V" shaped twin of monazite-(Ce) composed of two sharp, thick-bladed monazite crystals.	Item #22697 Kyanite 9.5x4.9x3.1 cm Largest Crystal Size: 85mm $75.00 Barra do Salinas Minas Gerais Brazil Pretty cool sopecimen of deep blue kyanite prisms with colour variation across the width. Nicely striated with a little quartz between the crystals. Looks great!
Item #22721 Roscherite 4.9x2.0x1.5 cm Largest Crystal Size: 3mm $40.00 Taquaral Minas Gerais Brazil One side of this quartz shard is encrusted with many sharp eosphorite crystals which have a crust of small roscherite crystals, particularly on the right side of the childrenite group. Not a common phosphate mineral!	Item #22722 Brazilianite 6.8x2.9x2.8 cm Largest Crystal Size: as above $65.00 Conselheiro Pena Minas Gerais Brazil A large brazilianite crystal from one of the most famous brazilianite localities. The crystal has very good faces on three sides but more frosted faces on the other sides where it grew in contact with other minerals. Nice termination!	Item #22729 Uvite, Magnesite 6.8x5.4x4.6 cm Largest Crystal Size: 8mm, 8mm $65.00 Lavra da Pedra Preta Brumaod, Bahia Brazil This specimen is mostly compoede of gemmy uvite crystals associated with some white magnesite rhombohedra. The uvite crystals are tabular crystals showing rhombohedral terminations. V-nice!	Item #22730 Siderite 6.2x4.5x3.0 cm Largest Crystal Size: 18mm $35.00 Morro Velho Mine Nova Lima, M.G. Brazil Sharp, discoidal siderite crystals and smaller similarly shaped dolomite crystals speckled with small pyrrhotite crystals make up this specimen. This old gold mine is long-closed!