Fine Mineral Specimens from all over the world
New selection of mineral specimens for sale, October 2020
Note: Photos taken using white light lamps and videos in conditions of natural light.
Click on the photos for a better visualization of the pieces.
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BF01 - Fluorite. Panasqueira mines, Covilha, Castelo Branco, Portugal.
Group of cubic crystals of Fluorite on matrix, one of them clearly dominant, with very well defined faces and edges. They are translucent and show an intense and vivid deep color, between marine blue and violet. The matrix is formed by well crystallized Arsenopyrite coated by Chlorite. This Fluorite specimen came from the upper levels of the Panasqueira mine and it is very different both for quality and aesthetic from the previously known Fluorites from this mine. Cute specimen suitable for demanding collectors of Panasqueira Fluorites. No damage.
Specimen size: 5 cm x 4 cm
Not available
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BF02 - Fluorite with Quartz. Panasqueira mines, Covilha, Castelo Branco, Portugal.
Cubic crystals of Fluorite implanted on Quartzs that are partially coated by Muscovite and Chlorite. The Fluorite crystals are translucent and show an intense and vivid deep color, between marine blue and violet. This Fluorite specimen came from the upper levels of the Panasqueira mine which ocasionally offer surprising and pleasant novelties like this very nice specimen. In excellent condition.
Specimen size: 8 cm x 4 cm
Not available
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BF03 - Cassiterite with Arsenopyrite and Fluorapatite. Panasqueira mines, Covilha, Castelo Branco, Portugal.
Outstanding Panasqueira specimen composed by highly lustrous twinned crystals of Cassiterite, very sharp and with very well defined faces and edges. They are implated on Arsenopyrite crystals and accompanied by green Fluorapatites. The Cassiterite crystals have a very notable size for the locality. It comes from a Panasqueira miner’s collection, the piece was extracted around 1970. A fine sample of one of the glorious epochs in Panasqueira, suitable for demanding Panasqueira collectors. No damage.
Specimen size: 4 cm x 3 cm
Not available
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BF04 - Quartz with inclusions and Fluorapatite, Marcasite, Muscovite and Siderite. Panasqueira mines, Covilha, Castelo Branco, Portugal.
Unusual and very good Panasqueira specimen. It is composed of completely transparent glossy crystals of Quartz with very visible and remarkable inclusions of Muscovite and Calcite cloud-like inside. The Quartzs are acompanied by green Fluorapatite crystals and Marcasite that forming "cockscomb" twinnings. Very attractive and rare Panasqueira specimen. The condition is excellent as seen.
Specimen size: 9.5 cm x 5 cm
Not available
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BF07 - Fluorapatite with Quartz. Panasqueira mines, Covilha, Castelo Branco, Portugal.
Large cluster of Quartzs with a group of well developed crystals of Fluorapatite with intense green color and high brilliance. The main Fluorapatite crystal is 3.5 cm in size. Specimen in
excellent condition, without any noticiable damage.
Specimen size: 20 cm x 15 cm
Main crystal size: 3.5 cm
Not available
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BF08 - Quartz with Fluorapatite, Calcite and Tourmaline. Panasqueira mines, Covilha, Castelo Branco, Portugal.
Large main biterminated crystal of Quartz, very bright, and accompanied by other smaller lustrous Quartz and with some groups of small Fluorapatite crystals scattered along the Quartzs. With
visible inclusions of needles of Tourmaline variety Schorl and small crystals of Calcite. The Quartzs have very good transparency and nice striations on the faces. Very nice large Panasqueira
specimen in excellent condition.
Specimen size: 25 cm x 9 cm
Not available
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BF09 - Fluorite with Quartz. Panasqueira mines, Covilha, Castelo Branco, Portugal.
Small spheroidal aggregates of cubo-octahedral Fluorite crystals with a color between blue and lilac and disposed on Quartz crystals. It comes from the upper levels of Panasqueira. Very good
Fluorite specimen in excellent condition.
Specimen size: 10 cm x 8 cm
Not available
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BF10 - Fluorapatite with Fluorite. Panasqueira mines, Covilha, Castelo Branco, Portugal.
A noveltie from Panasqueira. Group of elongated pale yellow Fluorapatite crystals accompanied by cubic crystals of Fluorite with a violet color and disposed on a heavy matrix of Arsenopyrite,
Chalcopyrite and Sphalerite. This specimen is completely different from those ones had been known so far in Panasqueira and it comes from a small geode where only a few pieces were
extracted.
Specimen size: 12 cm x 8 cm
Not available
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BF11 - Fluorite, Fluorapatite and Quartz. Panasqueira mines, Covilha, Castelo Branco, Portugal.
Attractive specimen composed by a transparent Quartz
accompanied by a Fluorite crystal with a vivid violet color and a prismatic pale yellow crystal of Fluorapatite on the back. Cute Panasqueira specimen in very good
condition.
Specimen size: 6 cm x 2 cm
Not available
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BF12 - Fluorite, Quartz and Siderite. Panasqueira mines, Covilha, Castelo Branco, Portugal.
Two well formed cubic crystals of Fluorite with an intense violet color are perched on a large crystal of Quartz partially coated by small Siderite
crystals. From the first level of the mine. No damage.
Specimen size: 9 cm x 3.5 cm
Not available
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BF13 - Fluorapatite with Ferberite. Panasqueira mines, Covilha, Castelo Branco, Portugal.
Excellent Panasqueira specimen composed of very well formed crystals of Fluorapatite, one of them clearly dominant and with good size for the
specie. The crystals show very well defined faces and edges and and are settled on a Ferberite crystal. The Fluorapatites have a pleasing color zoning showing lilac hues depending on the light
conditions as ususal for the Panasqueira Apatites. Stunning Panasqueira specimen in excellent condition without any noticiable damage.
Specimen size: 6.5 cm x 5.5 cm
Main Apatite crystal size: 3.5 cm x 1.5 cm
Not available
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BF14 - Fluorite. Panasqueira mines, Covilha, Castelo Branco, Portugal.
Rare and unusual Fluorite specimen from the
Panasqueira mines showing a globular shape and an intense color between marine blue and violet.
Specimen size: 4.5 cm x 3.5 cm
Not available
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BF15 - Rhodonite. Conselheiro Lafaiete, Minas Gerais, Brazil.
Excellent Rhodonite with with an intense and vivid red
color and between transparent to translucent. The crystal is flat with sharp outline and faces, bright and of an extraordinary color. Like most of the crystals found here, this one is a partial
crystal, the result of extremely tight veins with little space to grow. The quality is rare for the species.
Specimen size: 1.7 cm x 1 cm
Not available
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BF16 - Rhodonite. Conselheiro Lafaiete, Minas Gerais, Brazil.
Excellent Rhodonite with with an intense and vivid red
color. The crystal has sharp outline and faces, translucent, bright and of an extraordinary color. Like most of the crystals found here, this one is a partial crystal, the result of
extremely tight veins with little space to grow. The quality is rare for the species.
Specimen size: 1.3 cm x 1 cm
Not available
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BF18 - Rhodonite. Conselheiro Lafaiete, Minas Gerais, Brazil.
Excellent Rhodonite with with an intense and vivid red
color and between translucent to transparent. The crystal is flat with sharp outline and faces, bright and of an extraordinary color. Like most of the crystals found here, this one is a partial
crystal, the result of extremely tight veins with little space to grow. The quality is rare for the species.
Specimen size: 1.4 cm x 0.8 cm
Not available
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BE19 - Quartz with Rutile and Hematites. Novo Horizonte, Bahia, Brazil.
Very sharp acicular crystals of Rutile which are really bright and have a golden yellow color. The Rutile crystals are epitaxic on laminar Hematite. They are included in bright biterminated transparent crystals of Quartz. A fine specimen of Rutilated Quartz. No damage.
Specimen size: 7 cm x 2.5 cm
Not available
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BF20 - Spessartine Garnet with Quartz. Tongbei, Yunxiao, Fujian Province,
China.
This piece consists of a Feldspar crystal matrix that hosts a lot of small orange Spessartine Garnets and dozens of transparent, glassy, smokey Quartz crystals. The Garnets have sharp edges and well defined growth patterns on the faces. The condition is excellent.
Specimen size: 10 cm x 7 cm x 5 cm
Not available
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BF21- Red Beryl. Wah Wah Mountains, Utah, USA.
Single prismatic crystal of rare red Beryl. It has a very good transparency and intense luster and red color. With a bit of Rhyolite matrix on the back. No damage.
Specimen size: 0.9 cm x 0.4 cm
Not available