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Flattened group of columnar growths of small, very bright, crystals most of them doubly terminated, forming dipyramids with very well-defined faces and edges. On one of its sides there is an esthetic growth of very acute scalenohedral crystals of white Calcite.
Mina da Preguiça, Sobral da Adiça, Moura, Beja Portugal (2005-2006)
Specimen size: 9.9 × 5.8 × 3.6 cm = 3.9” × 2.3” × 1.4”
Price: Euro:155 / US$198 / Yen:16710

ND66I7: Descloizite with Calcite

Group of columnar growths of small, very bright crystals, most of them doubly terminated, forming dipyramids with very well defined faces and edges. On one of the growths there is an esthetic group of lenticular crystals of white Calcite.
Mina da Preguiça, Sobral da Adiça, Moura, Beja Portugal (2005-2006)
Specimen size: 7.3 × 4.9 × 5 cm = 2.9” × 1.9” × 2.0”

Main crystal size: 0.1 × 0.1 cm = 0.0” × 0.0”
Price: Euro:160 / US$205 / Yen:17240

NV86M9: Descloizite with Calcite

Very aerial and esthetic columnar growths of small, extraordinarily sharp and very bright crystals. They are dipyramidal and most of them doubly terminated. A group of white crystals of Calcite is on the Descloizite groups.
Mina da Preguiça, Sobral da Adiça, Moura, Beja Portugal (2005-2006)
Specimen size: 6.7 × 5.5 × 2.7 cm = 2.6” × 2.2” × 1.1”
Price: Euro:180 / US$230 / Yen:19400

NX47M9: Descloizite with Calcite

Growth of dypyramidal crystals, most of them doubly terminated, of Descloizite. They have good luster and very well defined faces and edges. Grown on Limonite matrix, they were later covered by a generation of scalenohedral crystals of Calcite.
Mina da Preguiça, Sobral da Adiça, Moura, Beja Portugal (2005-2006)
Specimen size: 10.2 × 6.9 × 3.8 cm = 4.0” × 2.7” × 1.5”

Main crystal size: 01 × 0.1 cm = 0.4” × 0.0”
Price: Euro:220 / US$281 / Yen:23710

NR47I7: Descloizite with Calcite

Group on Limonite matrix of small very bright crystals, most of them doubly terminated, forming dipyramids with very well-defined faces and edges. The specimen is very esthetic because of its attractive crests and vugs. A wide surface of the sample is covered by a layer of acute scalenohedron of white Calcite.
Mina da Preguiça, Sobral da Adiça, Moura, Beja Portugal (2005-2006)
Specimen size: 14 × 11.8 × 6.2 cm = 5.5” × 4.6” × 2.4”
Price: Euro:490 / US$628 / Yen:52820

MJ87G9: Diopside with Vesuvianite

The sample, exceptional, is from a recent find in the now closed Jeffrey Quarry. The pocket, being big, produced very few specimens of such high quality. Diopside crystals have an uncommon habit: they are apparently tabular, but fine vertical striations and the presence of the pinacoid show they really are very flat prisms. The color and luster are excellent and the transparency extraordinary. If all this seems not enough, their association with prismatic greenish-yellow and violet Vesuvianite crystals adds even more interest and visual appeal to the sample.
Jeffrey Quarry, ↓200 m., Asbestos, Québec Canada (09/2005)
Specimen size: 12 × 7 × 5.5 cm = 4.7” × 2.8” × 2.2”
Price: Euro:2450 / US$3140 / Yen:264130

NF6P2: Dolomite with Aragonite

Aggregate of rhombohedral crystals with very well marked interpenetration twins. Faces and edges are also very well defined and the group is on matrix and has small coatings of Aragonite.
Cantera Azkarate, Eugui, Navarra Spain (1990)
Specimen size: 5.4 × 5 × 3.7 cm = 2.1” × 2.0” × 1.5”
Price: Euro:110 / US$140 / Yen:11850

AT47Q6: Doubly terminated Anatase and Rutile epitaxial

Floater growth of Anatase crystals, most of the doubly terminated and in parallel growths. The Anatase crystals are completely coated by epitaxial Rutile that gives to the piece its characteristics color and luster.
Cuiabá district, Gouveia, Minas Gerais Brazil (03/2003)
Specimen size: 3.3 × 1.6 × 1.9 cm = 1.3” × 0.6” × 0.7”
Price: Euro:240 / US$307 / Yen:25870

TB66H1: Doubly terminated Azurite

It’s a floating doubly-terminated crystal having complex multiple terminations. Color and luster are excellent.
Kerrouchen, Khénifra Morocco (2004)
Specimen size: 5.6 × 2.3 × 1.2 cm = 2.2” × 0.9” × 0.5”
Price: Euro:175 / US$224 / Yen:18860

KH86M8: Doubly terminated Barite

Parallel growth of tabular crystals from a classic American locality. The crystals, sharp and very well defined, have an excellent luster and a honey color, between orange and yellow.
The sample is from the James Catmur collection (num B250), whose label will be sent to the buyer.
Sherman Mine, Upper Iowa Gulch, Leadville, Lake County, Colorado USA
Specimen size: 7.2 × 5.6 × 1.5 cm = 2.8” × 2.2” × 0.6”
Price: Euro:185 / US$237 / Yen:19940

SA36L2: Doubly terminated Barite

Parallel growth of prismatic and tabular Barite crystals. Some of them doubly terminated and translucent, showing a grey bluish color (blue with transmitted a light source). This specimen comes from an old find close to Stoneham, Colorado (USA), where doubly terminated crystals were not so common.
Stoneham, Weld County, Colorado USA
Specimen size: 7.9 × 2.5 × 2.2 cm = 3.1” × 1.0” × 0.9”
Price: Euro:140 / US$179 / Yen:15090

TC27K9: Doubly terminated Beryl (Aquamarine)

Two doubly terminated crystals with parallel growth. Both core crystals are hollow showing dissolution channels within them, but preserving the terminal faces.
Medina, Minas Gerais Brazil
Specimen size: 8.4 × 1.8 × 1.1 cm = 3.3” × 0.7” × 0.4”
Price: Euro:220 / US$281 / Yen:23710

EE66L7: Doubly terminated Beryl (Aquamarine)

Doubly terminated Aquamarine crystal showing two different terminations. One of them with very curious rounded dissolution forms and the opposite has pyramid terminations. The prism faces are very rich in growth pits. Excellent transparency, good color and brilliance make this specimen a very interesting one.
Pica Pau, Padre Paraiso, Minas Gerais Brazil (2007)
Specimen size: 5.1 × 0.7 × 0.6 cm = 2.0” × 0.3” × 0.2”
Price: Euro:160 / US$205 / Yen:17240

EB97L7: Doubly terminated Beryl (Aquamarine)

Doubly terminated crystal with very different terminations. One of them is very acute with curious dissolution curved forms; the opposite is totally flat with a clear color zoning. The prism faces are very rich in growth forms and pits. Excellent transparency, good color and brilliance.
Pica Pau, Padre Paraiso, Minas Gerais Brazil (2007)
Specimen size: 7.8 × 0.8 × 0.5 cm = 3.1” × 0.3” × 0.2”
Price: Euro:290 / US$371 / Yen:31260

EC68K6: Doubly terminated Beryl (Aquamarine)

Doubly terminated crystal with very different terminations. One of them is formed by the faces, with very well marked curvature, of a very acute pyramid; the opposite is multiple and has forms and channels of dissolution.
Pica Pau, Padre Paraiso, Minas Gerais Brazil (2007)
Specimen size: 6.8 × 1.2 × 1 cm = 2.7” × 0.5” × 0.4”
Price: Euro:360 / US$461 / Yen:38810

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.
Pech, Nooristan Afghanistan (2005)
Specimen size: 4.3 × 3.6 × 1.5 cm = 1.7” × 1.4” × 0.6”
Price: Euro:165 / US$211 / Yen:17780

AG69P9: Doubly terminated Hübnerite with Quartz

Parallel polycrystalline growth of doubly terminated and very well defined crystals with intense red reflections, an excellent luster and it is enhanced by being with Quartz crystals.
The specimen is from the James Catmur collection. We will send both, the label from Catmur collection and the label from Silvane collection.
Mina Huallapón, Pasto Bueno, Pallasca, Ancash Peru (1996)
Specimen size: 8.7 × 5.4 × 4.2 cm = 3.4” × 2.1” × 1.7”
Price: Euro:390 / US$499 / Yen:42040

EB91I2: Doubly terminated Neptunite on Natrolite

Just a classic. The crystals, prismatic, have excellent luster and they are free of damage. They are doubly terminated and very well positioned on the Natrolite matrix.
Benitoite Gem Mine, San Benito County, California USA
Specimen size: 7.3 × 6.3 × 3.1 cm = 2.9” × 2.5” × 1.2”

Main crystal size: 3.6 × 0.6 cm = 1.4” × 0.2”
Price: Euro:590 / US$756 / Yen:63600

RV56K0: Doubly terminated Quartz

A floater group of doubly terminated crystals with parallel growths. From the original label we deduce it was mined, more or less, around 1980.
Etzlithal, Uri Switzerland (±1980)
Specimen size: 6.2 × 3.9 × 3.2 cm = 2.4” × 1.5” × 1.3”
Price: Euro:155 / US$198 / Yen:16710

RB97H0: Doubly terminated Quartz "faden" with Albite

Parallel growth of doubly terminated crystals with a very evident “faden”. On the base of the piece there is a snowy white crystal of Adularia, very bright. The label has the note: Com (comprado / acquired) Sulzbach. Zürich 1947.
Bristenstock, Uri Switzerland (±1947)
Specimen size: 11.8 × 6.7 × 5.4 cm = 4.6” × 2.6” × 2.1”
Price: Euro:290 / US$371 / Yen:31260

EV16H2: Doubly terminated Quartz (Amethyst)

Doubly terminated floater. The color is deeper at the terminations, whose luster is also more intense than in the other faces. The crystal grew on other small crystals of Quartz (Amethyst)
Mina don Nicolás, Villa Benegas, Mina Clavero, San Alberto, Córdoba Argentina (01-06/2002)
Specimen size: 5.2 × 3.3 × 2.8 cm = 2.0” × 1.3” × 1.1”
Price: Euro:100 / US$128 / Yen:10780

EC96G1: Doubly terminated Quartz (Amethyst) scepter

Parallel growth of two prismatic, doubly-terminated crystals. They are well developed, of an intense color and simple forms, growing as a scepter on a little matrix of white Quartz.
Mina don Nicolás, Villa Benegas, Mina Clavero, San Alberto, Córdoba Argentina (01-06/2002)
Specimen size: 6.8 × 4.1 × 3 cm = 2.7” × 1.6” × 1.2”

Main crystal size: 0.8 × 0.8 cm = 0.3” × 0.3”
Price: Euro:160 / US$205 / Yen:17240

N40P: Doubly terminated Quartz on Siderite

Doubly terminated very transparent Quartz with Siderite.
Taouz, Sahara Morocco (1998)
Specimen size: 4 × 6 cm = 1.6” × 2.4”
Price: Euro:55 / US$70 / Yen:5920

RE14M5: Doubly terminated Quartz with Chlorite

Doubly terminated floater crystal with neat phantom growths underlined by Chlorite inclusions, especially on terminations.
Tavetsch, Vorderrhein Valley, Grisons Switzerland
Specimen size: 6 × 2.1 × 1.7 cm = 2.4” × 0.8” × 0.7”
Price: Euro:90 / US$115 / Yen:9700

TG47Q1: Doubly terminated Quartz with inclusions

Group of doubly terminated crystals of very well defined faces and edges and with abundant fluid inclusions with hydrocarbons of organic origin. The most important of the bubbles, on the upper pyramid of the main crystal, is mobile.
Berbes, Ribadesella, Asturias Spain (±2005)
Specimen size: 5.3 × 4.5 × 2.7 cm = 2.1” × 1.8” × 1.1”
Price: Euro:220 / US$281 / Yen:23710

629 results found.

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