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Mineral specimens search results for [ Cassiterite ]Page bottom

Cassiterite with Muscovite.
TM37AF6: Cassiterite with Muscovite
Isolated groups of twinned Cassiterite crystals with very well defined forms. The highly lustrous crystals are implanted on a rocky matrix coated by sharp, bright, laminar Muscovite crystals. Because of its size and quality, this could be called a “museum” specimen.
Mount Xuebaoding, Pingwu, Mianyang Prefecture, Sichuan Province  China
Specimen size: 16.7 × 16.5 × 6.2 cm = 6.57” × 6.50” × 2.44”

Price: €2200 / US$2463 / JPY265450 / AUD$3590
Cassiterite with Muscovite.
JK48W0: Cassiterite with Muscovite
Very sharp twinned crystal of Cassiterite. The crystal, black, is very bright, has parallel growths, a considerable size for the locality and it's partially coated by a leafy aggregate of Muscovite.
Barra de Salinas, Coronel Murta, Jequitinhonha, Minas Gerais  Brazil
Specimen size: 4.9 × 3.3 × 3.9 cm = 1.93” × 1.30” × 1.54”

Price: [SOLD]
Cassiterite with Muscovite.
RK27T5: Cassiterite with Muscovite
Cyclic twinned crystals with sharp and very well defined faces and edges. They are translucent and extraordinarily bright and are on a matrix partially coated by Muscovite. A fine sample of one of the glorious epochs in Panasqueira.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal
Specimen size: 5.8 × 5 × 4.3 cm = 2.28” × 1.97” × 1.69”

Price: [SOLD]
Cassiterite with Muscovite.
AF38Y6: Cassiterite with Muscovite
Group of very bright crystals with notable transparency. They form complex cyclic twins and are slightly coated by Muscovite micro-crystals. The Cassiterite crystals have a very notable size for the locality.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1987-2013)
Specimen size: 3.7 × 2.7 × 2 cm = 1.46” × 1.06” × 0.79”

Main crystal size: 1.7 × 1.6 cm = 0.67” × 0.63”

Price: [SOLD]
Cassiterite with Muscovite.
MA48X8: Cassiterite with Muscovite
Single twinned Cassiterite crystal with very well defined faces and edges. It is very bright, has vivid brown transparency and its matrix is an aggregate of leafy Muscovite.
Pingwu Mine, Huya township, Mount Xuebaoding, Pingwu, Mianyang Prefecture, Sichuan Province  China (2012)
Specimen size: 10 × 6.7 × 4.2 cm = 3.94” × 2.64” × 1.65”

Price: [SOLD]
Cassiterite with Muscovite and Quartz (variety smoky).
DP98AF2: Cassiterite with Muscovite and Quartz (variety smoky)
Twinned Cassiterite crystals that are transparent and extraordinarily bright, with very well defined faces and edges. They are on a rocky matrix coated by Muscovite crystals and transparent smoky Quartz crystals.
The sample is from the Desmond Sacco collection, whose label we’ll send to the buyer.
Merekski District, Bureya Massif, Khabarovskiy Kray, Far-Eastern Region  Russia
Specimen size: 4.8 × 2.9 × 3.5 cm = 1.89” × 1.14” × 1.38”

Main crystal size: 1.4 × 1.2 cm = 0.55” × 0.47”

Price: [SOLD]
Cassiterite with Muscovite and Schorl-Dravite.
AB47Y6: Cassiterite with Muscovite and Schorl-Dravite
Very aerial and almost floater group of very bright crystals that have notable transparency and form complex cyclic twins. They are on a rocky matrix, with Muscovite and small acicular tourmaline (Schorl-Dravite) crystals.
This specimen has been reviewed and published in the magazine ‘Lapis’ on page 43, volume 39, number 7-8, July-August 2014
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1987-2013)
Specimen size: 10.2 × 6.8 × 4.5 cm = 4.02” × 2.68” × 1.77”

Price: [SOLD]
Cassiterite with Quartz.
MQ47AH0: Cassiterite with Quartz
Twinned Cassiterite crystals with very well defined faces and edges, translucent, bright and with a brown color with reddish reflections. They are implanted on a group of Quartz crystals, some of them doubly terminated, with Pyrite and Muscovite. The sample is old, found more than twenty years ago.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal
Specimen size: 12.3 × 11 × 7 cm = 4.84” × 4.33” × 2.76”

Main crystal size: 0.7 × 0.6 cm = 0.28” × 0.24”

Price: €220 / US$246 / JPY26540 / AUD$350
Cassiterite with Quartz.
AM47N2: Cassiterite with Quartz
Group of crystals with a very well defined twinning. They are bright and extraordinarily transparent, aerial and well isolated on the matrix, just like small jewels.
Amo, Ximeng, Yunnan  China
Specimen size: 5.3 × 4.4 × 4 cm = 2.09” × 1.73” × 1.57”

Price: [SOLD]
Cassiterite with Quartz.
TR87V4: Cassiterite with Quartz
Transparent crystal of Cassiterite with a very transparent brown color. It is very bright and shows an uncommon morphology due to its extraordinary flatness. It is on Quartz matrix.
Amo deposit, Ximeng, Pu'er Prefecture, Yunnan Province  China (08/2011)
Specimen size: 5.2 × 4.7 × 1.7 cm = 2.05” × 1.85” × 0.67”

Main crystal size: 3.1 × 2.3 cm = 1.22” × 0.91”

Price: [SOLD]
Cassiterite with Quartz.
TP70AA0: Cassiterite with Quartz
Transparent cyclic twinned crystals with very well defined faces and edges, transparent, with a brown color and toasted honey reflections and on a Quartz matrix. Good Cassiterite samples from this locality are currently very scarce, especially, as in this case, for crystals free of damage.
Amo, Ximeng, Yunnan  China (2013)
Specimen size: 5.4 × 4.8 × 4.4 cm = 2.13” × 1.89” × 1.73”

Price: €560 / US$627 / JPY67560 / AUD$910
Cassiterite with Quartz.
JH66H7: Cassiterite with Quartz
The stout prismatic crystal has very uncommon transparency and color, in view of its large size. The elongated habit of the crystal and its position on a matrix of Quartz crystals makes the specimen special from an esthetic point of view.
The sample is from an accredited collection and we’ll send the label with it.
Ganzhou, Jiangxi  China
Specimen size: 7.2 × 5.3 × 3.9 cm = 2.83” × 2.09” × 1.54”

Main crystal size: 5.5 × 3 cm = 2.17” × 1.18”

Price: [SOLD]
Cassiterite with Quartz.
RQ62H8: Cassiterite with Quartz
The locality is very little known for Cassiterite. The crystals, some of them doubly terminated, are prismatic, twinned and in matrix. Their color is unusually clear and they are well-defined.
Mirandela, Bragança, Alto Douro  Portugal (±1980)
Specimen size: 3.4 × 2.6 × 1.4 cm = 1.34” × 1.02” × 0.55”

Price: [SOLD]
Cassiterite with Quartz.
MT99X8: Cassiterite with Quartz
Very aerial group, on Quartz matrix, of cyclic-twinned Cassiterite crystals. They are bright and show very well defined faces and edges. The sample, as well as its mineralogical quality, is especially esthetic.
Viloco Mine, Loayza Province, La Paz Department  Bolivia (2012)
Specimen size: 5.4 × 5.4 × 4.3 cm = 2.13” × 2.13” × 1.69”

Main crystal size: 2 × 1.7 cm = 0.79” × 0.67”

Price: [SOLD]
Cassiterite with Quartz and Muscovite.
NB11M0: Cassiterite with Quartz and Muscovite
A very neat Cassiterite twin, with the classic habit of the Penouta specimens. On a Quartz matrix with Muscovite.
Penouta Mines, Penouta (San Bartolomé), Viana do Bolo, Comarca Viana, Ourense / Orense, Galicia  Spain (±1998)
Specimen size: 4.5 × 4.2 × 2.1 cm = 1.77” × 1.65” × 0.83”

Price: [SOLD]
Cassiterite with Quartz and Siderite.
DJ27AF9: Cassiterite with Quartz and Siderite
Group of very bright Cassiterite crystals with very visible multiple twinning, on matrix with clear Quartz crystals and partially coated by Siderite.
It was previously in the Folch collection and it probably was an exchange.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal
Specimen size: 3.2 × 2.8 × 2.4 cm = 1.26” × 1.10” × 0.94”

Main crystal size: 1.5 × 1.2 cm = 0.59” × 0.47”

Price: €220 / US$246 / JPY26540 / AUD$350
Cassiterite with Quartz and Siderite.
RK49K4: Cassiterite with Quartz and Siderite
Great group of flat Cassiterite crystals. They are twinned, very bright and with small, very clear, crystals of Quartz on a matrix with lenticular crystals of Siderite. On the original label is written the year 1964.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (±1964)
Specimen size: 11.4 × 4.4 × 2.2 cm = 4.49” × 1.73” × 0.87”

Price: [SOLD]
Cassiterite with Quartz and Siderite.
RZ26T8: Cassiterite with Quartz and Siderite
Very bright twinned crystals of Cassiterite, with neat transparency and implanted on a group of transparent Quartz crystals. We believe that this sample is not from the classic mining area of Panasqueira but from a nearby zone named “Vale da Ermida” as its appearance matches exactly the shape of the samples found there several years ago.
Vale da Ermida, Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Centro  Portugal (±1964)
Specimen size: 8 × 5 × 6.2 cm = 3.15” × 1.97” × 2.44”

Main crystal size: 1.2 × 1.1 cm = 0.47” × 0.43”

Price: [SOLD]
Cassiterite with Quartz and Siderite.
AD96Y6: Cassiterite with Quartz and Siderite
Group of bright Cassiterite crystals forming complex cyclic twins. They are on a matrix of transparent Quartz crystals with some rough Siderite. This sample was in the Folch duplicates collection, whose label we’ll send to the buyer. It has an added interest because it is from Vale da Ermida, a zone somewhat away from the main mining area and is currently abandoned and awash.
Vale da Ermida, Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Centro  Portugal (±1964)
Specimen size: 7.7 × 5.7 × 4.9 cm = 3.03” × 2.24” × 1.93”

Price: [SOLD]
Cassiterite with Quartz, Dolomite and Tourmaline.
RE60V1: Cassiterite with Quartz, Dolomite and Tourmaline
Twinned crystals of Cassiterite. They are translucent and bright and are on matrix, with Quartz, Dolomite and small acicular crystals of tourmaline (Schorl-Dravite)
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (±1972)
Specimen size: 5.8 × 4.1 × 4.5 cm = 2.28” × 1.61” × 1.77”

Main crystal size: 0.5 × 0.5 cm = 0.20” × 0.20”

Price: [SOLD]
Cassiterite with Quartz, Fluorapatite and Arsenopyrite.
TR96AL3: Cassiterite with Quartz, Fluorapatite and Arsenopyrite
Groups of twinned Cassiterite crystals, very sharp, shiny and translucent on the edges. On matrix, with short elongated Fluorapatite crystals of almost white color, aggregates of elongated crystals of Arsenopyrite and Quartz crystals.
Minas da Panasqueira, level 1, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (2018)
Specimen size: 10.4 × 6.8 × 3.9 cm = 4.09” × 2.68” × 1.54”

Price: €190 / US$212 / JPY22920 / AUD$310
Cassiterite with Scheelite.
RZ6G2: Cassiterite with Scheelite
The locality is very poorly-known and well crystallized samples are very scarce. In this specimen, Cassiterite forms a perfectly defined elbow twin, in a matrix very rich with Scheelite.
Cerro del Vidrio, Montoro, Comarca Alto Guadalquivir, Córdoba, Andalusia  Spain
Specimen size: 4 × 2.8 × 2.3 cm = 1.57” × 1.10” × 0.91”

Main crystal size: 0.8 × 0.6 cm = 0.31” × 0.24”

Price: [SOLD]
Cassiterite with Zinkenite.
RJ47F8: Cassiterite with Zinkenite
A group of Cassiterite twins, very typical of Cornwall and on matrix. Needle crystals of Zinkenite accompany the Cassiterite. Although the mine that it is from is not given, it is the type of specimen that is hard to find.
Cornwall  United Kingdom England (±1926)
Specimen size: 6 × 4.8 × 2.7 cm = 2.36” × 1.89” × 1.06”

Price: [SOLD]
Doubly terminated Cassiterite.
AE47Z1: Doubly terminated Cassiterite
Complete, untwinned, floater crystals showing the very well defined faces of two prisms and a dipyramid. The sample is from a known but very little disclosed Portuguese locality from which there have been scarce pieces of this quality.
Boticas, Vila Real District, Alto Trás-os-Montes, Norte Region  Portugal (1987-2013)
Specimen size: 2.8 × 2.6 × 2.7 cm = 1.10” × 1.02” × 1.06”

Price: [SOLD]
Twined Cassiterite.
RX14W6: Twined Cassiterite
Group of twinned dipyramidal crystals that are very bright with yellowish brown reflections and transparencies and show fine horizontal striations. We especially note the size of the main crystal which is very big compared with most of the samples from Panasqueira.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal
Specimen size: 3.5 × 2.6 × 2 cm = 1.38” × 1.02” × 0.79”

Price: [SOLD]

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