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8TF130Y4: Doubly terminated Calcite with inclusions

Doubly terminated crystal, on matrix, with very complex forms. It is bright and transparent and shows a phantom growth in its central zone.
Pune District (Poonah District), Maharashtra India
Specimen size: 4.3 × 4.1 × 3.2 cm = 1.69”

KG70M2: Doubly terminated Calcite with Sphalerite

Elegant doubly terminated scalenohedral Calcite crystal, showing a well defined twin, good color and notable transparency. With a small Sphalerite crystal matrix.
The specimen is from the James Catmur collection and we’ll send the label with it.
Elmwood Mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith County, Tennessee USA (±1993)
Specimen size: 10.9 × 8.7 × 3.6 cm = 4.29” × 3.43” × 1.42”

Main crystal size: 10.9 × 3.6 cm = 4.29” × 1.42”

RF64L3: Doubly terminated Calcite with Sphalerite

Calcite crystal, with a small but aerial Sphalerite crystal, not well defined but complete. Calcite from this mine is not common in this well defined shape.
Áliva Mine (Las Mánforas Mine), Áliva mining area, Camaleño, Comarca Liébana, Cantabria Spain (±1975)
Specimen size: 5.7 × 4.1 × 3 cm = 2.24” × 1.61” × 1.18”

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”

EB89F1: Doubly terminated Cerussite

A twin of two crystals, one of them doubly terminated, that are accompanied by other smaller ones. The b-pinacoid form dominates them which is why they are flat. The terminations have a large number of faces of various smaller prisms. The brilliance is excellent, the color is attractive, and the esthetics of the whole specimen is really great.
Shaft IX (Puit IX), Touissit, Touissit District, Jerada Province, Oriental Region Morocco (1992)
Specimen size: 4.3 × 3.5 × 2.5 cm = 1.69” × 1.38” × 0.98”

RP97H7: Doubly terminated Chrysoberyl

A great twin, complete, deep yellow color and excellent luster and a considerable transparency. Original shape!
Tancredo, Santa Teresa, Espirito Santo, Sudeste Region Brazil (1964)
Specimen size: 3.2 × 2 × 1.8 cm = 1.26” × 0.79” × 0.71”

RV89H7: Doubly terminated Chrysoberyl

Complete cyclic twin of three interpenetrating crystals (“sixling”). It has deep yellow color and excellent luster and a considerable transparency. An excellent specimen.
Tancredo, Santa Teresa, Espirito Santo, Sudeste Region Brazil (1964)
Specimen size: 3 × 2.1 × 2.2 cm = 1.18” × 0.83” × 0.87”

EB96G3: Doubly terminated Diopside

A prismatic crystal, doubly terminated, transparent and of a good color. It crosses through a thin matrix of Quartz. Certainly original.
Gilgit District, Gilgit-Baltistan (Northern Areas) Pakistan (04/2005)
Specimen size: 4.7 × 2.1 × 4.6 cm = 1.85” × 0.83” × 1.81”

Main crystal size: 2.1 × 0.8 cm = 0.83” × 0.31”

TA47F6: Doubly terminated Diopside

A European classic that is very hard to get. The large fine crystals are doubly terminated and an excellent color. There are two labels with it, one from the R.M. Wilke collection (nº 1054) and the other from the dealer Filer (Redlands, California)
Diopside rift (Schwarzenstein), Ochsner-Rotkopf Massif, Zemmgrund, Ziller Valley (Zillertal), North Tyrol, Tyrol/Tirol Austria
Specimen size: 10 × 2.7 × 2.3 cm = 3.94” × 1.06” × 0.91”

EH30AF9: Doubly terminated Diopside with Albite

Parallel growth of very sharp and doubly terminated transparent Diopside crystals that are very bright with an intense green color and a small white Albite crystal attached.
Alchuri, Shigar District, Gilgit-Baltistan (Northern Areas) Pakistan
Specimen size: 5.7 × 2.2 × 1 cm = 2.24” × 0.87” × 0.39”

Main crystal size: 3.3 × 1.5 cm = 1.30” × 0.59”

TP97J5: Doubly terminated Elbaite

The crystal is partially doubly terminated. One of its terminations has the bright and very well defined face of the pedion, meanwhile the faces of the opposite termination are clearly rhombohedral. The central zone of this termination is rough due to a contact.
Do Boqueirão Mine, Barra de Salinas, Coronel Murta, Vale do Jequitinhonha, Minas Gerais Brazil (2002)
Specimen size: 6.6 × 3.1 × 3.1 cm = 2.60” × 1.22” × 1.22”

MF46AA8: Doubly terminated Elbaite

Floater crystal with a considerable length, doubly terminated, with parallel growths in one termination, transparent and showing very well defined color zoning with dominant green, pink and yellowish areas. Near one of the ends there is a small Quartz crystal.
Paprok, Kamdesh District, Nuristan Province Afghanistan (05/2014)
Specimen size: 15 × 1.8 × 1.2 cm = 5.91” × 0.71” × 0.47”

EC99G5: Doubly terminated Elbaite (variety indicolite)

Prismatic crystal is terminated with the three faces, very sharp, of the rhombohedron. Blue color and excellent transparency, which is adequately shown by the picture.
Dara-i-Pech pegmatite, Chapa Dara District, Kunar Province (Konar) Afghanistan (2004)
Specimen size: 6 × 1 × 0.9 cm = 2.36” × 0.39” × 0.35”

TE86L1: Doubly terminated Elbaite (variety rubellite)

Doubly terminated Elbaite crystal, with different terminations. One of them with a single pinacoidal face and the other a little bit more complex with the pinacoid and six uneven faces from a pair of trigonal pyramids. Translucent and excellent and intense pink color with greenish tones at both terminations.
Pala District, San Diego County, California USA
Specimen size: 4.7 × 1.6 × 1.4 cm = 1.85” × 0.63” × 0.55”

TR56I7: Doubly terminated Elbaite with Quartz

A curious prismatic crystal on matrix. It has a slight bend made when it was growing. The zone of torsion coincides with the change of color from green to red. The crystal is doubly terminated but one of the terminations, pinacoidal, is smooth while the other one is not so clear.
Dara-i-Pech pegmatite, Chapa Dara District, Kunar Province (Konar) Afghanistan (2005)
Specimen size: 4.3 × 3.6 × 1.5 cm = 1.69” × 1.42” × 0.59”

23NNB87: Doubly terminated Epidote

Floater group of equant crystals of deep pistachio-green Epidote with an unusual pseudo-octahedral habit, and truncated on the faces of the smoother and shinier pinacoid. The specimen comes from the collection of Miguel David Martínez (number 1048) whose label we will send to the buyer.
Maldin Koh, Maldin, Ras Koh Mountains, Kharan District, Balochistan (Baluchistan) Pakistan (2011)
Specimen size: 7.6 × 7.5 × 5.5 cm = 2.99” × 2.95” × 2.17”

Main crystal size: 6.2 × 5.6 cm = 2.44” × 2.20”

EY89G7: Doubly terminated Epidote with Quartz

Group of crystals, two of them doubly terminated and exceptionally aerial, esthetically mixed with Quartz crystals. Also they are very bright.
Green Monster Mountain, Prince of Wales Island, Ketchikan District, Prince of Wales-Outer Ketchikan Borough, Alaska USA
Specimen size: 5.3 × 4.2 × 2.7 cm = 2.09” × 1.65” × 1.06”

TB47T8: Doubly terminated Epidote with Quartz and Andradite

Group of really huge crystals, one of them doubly terminated, with an extraordinarily deep green color and very intense luster, with some Quartz crystals and on matrix. Extraordinary sample, an American classic.
Green Monster Mountain, Prince of Wales Island, Ketchikan District, Prince of Wales-Outer Ketchikan Borough, Alaska USA (±1970)
Specimen size: 10.3 × 9.5 × 7 cm = 4.06” × 3.74” × 2.76”

Main crystal size: 6.7 × 5.7 cm = 2.64” × 2.24”

ND30F3: Doubly terminated Ferberite with doubly terminated Quartz

Crystals of doubly terminated Ferberite are not common from Panasqueira, especially with this one's size and definition. In this case we can add that it is neatly and esthetically placed on a complex crystal of doubly terminated Quartz, which has a coating of Siderite.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (2004)
Specimen size: 11.7 × 6.5 × 4 cm = 4.61” × 2.56” × 1.57”

TT14G9: Doubly terminated Fluorapatite

We note that it is a doubly terminated crystal, a very rare occurrence on samples from Imilchil. Both color and luster are excellent and also the definition of the faces and the edges, absolutely undamaged.
Imilchil area, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region Morocco (2005)
Specimen size: 2.6 × 1.2 × 0.9 cm = 1.02” × 0.47” × 0.35”

RM27F9: Doubly terminated Fluorapatite

Maybe the plate form of this crystal is not common, but it is really a doubly-terminated crystal of an excellent color and size. The sample was purchased by Folch in March 1969 from a miner in Panasqueira.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (1969)
Specimen size: 4.2 × 3.2 × 1.7 cm = 1.65” × 1.26” × 0.67”

MB62H1: Doubly terminated Fluorapophyllite-(K)

It’s an attractive and unusual looking group of mostly doubly terminated crystals formed by a prism and a dipyramid. The main one in the center of the specimen is striking for its size and its centered position, very esthetic, on the piece. All are very bright.
Jalgaon District, Maharashtra India (03/2005)
Specimen size: 5.1 × 3.6 × 2.3 cm = 2.01” × 1.42” × 0.91”

Main crystal size: 4.4 × 1.2 cm = 1.73” × 0.47”

MB16D4: Doubly terminated Fluorapophyllite-(K)

Huge, perfect, doubly terminated Fluorapophyllite-(K) adorned by Stilbite crystals. Pretty!
Jalgaon District, Maharashtra India (2003)
Specimen size: 6.7 × 3.7 × 3.6 cm = 2.64” × 1.46” × 1.42”

MP60: Doubly terminated Herderite

Two doubly terminated parallel crystals, a little bit more brilliant than the others. The most esthetic specimen form of this find in our opinion. White Albite on its rear and on its bottom.
Afranio Mine, Linópolis, Divino das Laranjeiras, Vale do Rio Doce, Minas Gerais Brazil (2002)
Specimen size: 5 × 2.7 × 3.9 cm = 1.97” × 1.06” × 1.54”

HB48F3: Doubly terminated Hübnerite with Quartz

A powerful group of numerous crystals, most of which are doubly terminated. The striations let one see how each member of the group grew. One can see red reflections from the edges of the crystals.
Yaogangxian Mine, level 37, Yizhang, Chenzhou Prefecture, Hunan Province China (2004)
Specimen size: 10.5 × 4.3 × 3 cm = 4.13” × 1.69” × 1.18”

12722 results found.

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[8476-8500] [8501-8525] [8526-8550] [8551-8575] [8576-8600] [8601-8625] [8626-8650] [8651-8675] [8676-8700] [8701-8725] [8726-8750] [8751-8775] [8776-8800] [8801-8825] [8826-8850] [8851-8875] [8876-8900] [8901-8925] [8926-8950] [8951-8975] [8976-9000] [9001-9025] [9026-9050] [9051-9075] [9076-9100] [9101-9125] [9126-9150] [9151-9175] [9176-9200] [9201-9225] [9226-9250] [9251-9275] [9276-9300] [9301-9325] [9326-9350] [9351-9375] [9376-9400] [9401-9425] [9426-9450] [9451-9475] [9476-9500] [9501-9525] [9526-9550] [9551-9575] [9576-9600] [9601-9625] [9626-9650] [9651-9675] [9676-9700] [9701-9725] [9726-9750] [9751-9775] [9776-9800] [9801-9825] [9826-9850] [9851-9875] [9876-9900] [9901-9925] [9926-9950] [9951-9975] [9976-10000] [10001-10025] [10026-10050] [10051-10075] [10076-10100] [10101-10125] [10126-10150] [10151-10175] [10176-10200] [10201-10225] [10226-10250] [10251-10275] [10276-10300] [10301-10325] [10326-10350] [10351-10375] [10376-10400] [10401-10425] [10426-10450] [10451-10475] [10476-10500] [10501-10525] [10526-10550] [10551-10575] [10576-10600] [10601-10625] [10626-10650] [10651-10675] [10676-10700] [10701-10725] [10726-10750] [10751-10775] [10776-10800] [10801-10825] [10826-10850] [10851-10875] [10876-10900] [10901-10925] [10926-10950] [10951-10975] [10976-11000] [11001-11025] [11026-11050] [11051-11075] [11076-11100] [11101-11125] [11126-11150] [11151-11175] [11176-11200] [11201-11225] [11226-11250] [11251-11275] [11276-11300] [11301-11325] [11326-11350] [11351-11375] [11376-11400] [11401-11425] [11426-11450] [11451-11475] [11476-11500] [11501-11525] [11526-11550] [11551-11575] [11576-11600] [11601-11625] [11626-11650] [11651-11675] [11676-11700] [11701-11725] [11726-11750] [11751-11775] [11776-11800] [11801-11825] [11826-11850] [11851-11875] [11876-11900] [11901-11925] [11926-11950] [11951-11975] [11976-12000] [12001-12025] [12026-12050] [12051-12075] [12076-12100] [12101-12125] [12126-12150] [12151-12175] [12176-12200] [12201-12225] [12226-12250] 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