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Mineral specimens search results for [ Cassiterite ]Page bottom

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”

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”

Main crystal size: 1.3 × 0.7 cm = 0.51” × 0.28”

Price: €190 / US$231 / JPY25100 / AUD$290
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”

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  England / United Kingdom (±1926)
Specimen size: 6 × 4.8 × 2.7 cm = 2.36” × 1.89” × 1.06”

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

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”

Main crystal size: 2.6 × 2.3 cm = 1.02” × 0.91”

Price: [SOLD]
Twinned Cassiterite.
RC59I8: Twinned Cassiterite
Crystal forms a cyclic, dipyramidal twin, very well defined. It has brown color and it is translucent and very bright.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal
Specimen size: 2 × 1.8 × 1.3 cm = 0.79” × 0.71” × 0.51”

Price: [SOLD]
Twinned Cassiterite.
TC26J3: Twinned Cassiterite
A very interesting miniature both for the size of the crystal, considerable for Panasqueira, and because it is nearly transparent and has a very evident twin.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (±1978)
Specimen size: 2.6 × 2.6 × 2.8 cm = 1.02” × 1.02” × 1.10”

Price: [SOLD]

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