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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.
Huayllapon Mine (Huallapon Mine), Pasto Bueno, Pampas District, Pallasca Province, Ancash Department Peru (1996)
Specimen size: 8.7 × 5.4 × 4.2 cm = 3.43” × 2.13” × 1.65”

TH16AI9: Doubly terminated Malachite after Azurite

This is a single, sharp, doubly terminated floater of Malachite pseudomorphous after Azurite, apparently simple, but the polycrystalline growths are full of interesting details.
Milpillas Mine, Cuitaca, Municipio Santa Cruz, Sonora Mexico (2009)
Specimen size: 4.2 × 2.3 × 1.9 cm = 1.65” × 0.91” × 0.75”

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.
California State Gem Mine (Benitoite Gem Mine), San Benito River headwaters area, Santa Rita Peak, New Idria District, San Benito County, California USA
Specimen size: 7.3 × 6.3 × 3.1 cm = 2.87” × 2.48” × 1.22”

DF6AG5: Doubly terminated Quartz

Complete floater crystal, flattened, transparent, very bright and with very visible inclusions. It has a thicker shape than usual for the floater Quartz crystals from the locality.
Llavorsí, Comarca Pallars Sobirà, Lérida / Lleida, Catalonia / Catalunya Spain
Specimen size: 5.1 × 4.3 × 2.1 cm = 2.01” × 1.69” × 0.83”

JA17I7: Doubly terminated Quartz

A splendid specimen. The crystals, even though not being very tall, are very clear and bright, with well-defined faces and edges, doubly-terminated and with some hydrocarbon inclusions and they airily sit on a very esthetic matrix.
This specimen was photographed for the ‘Über Diamanten und Hyazinthen’ section of the magazine ‘Mineralien Welt’ on page 56 of number 5/2012 and in the magazine "Lapis" on page 20 of number 7-8 / 2013
Berbes mining area, Berbes, Ribadesella, Comarca Oriente, Principality of Asturias (Asturias) Spain
Specimen size: 7.6 × 6.4 × 4.8 cm = 2.99” × 2.52” × 1.89”

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.
Etzlital, Maderanertal, Silenen, Uri Switzerland (±1980)
Specimen size: 6.2 × 3.9 × 3.2 cm = 2.44” × 1.54” × 1.26”

Main crystal size: 5.8 × 2.1 cm = 2.28” × 0.83”

N4ACA0: Doubly terminated Quartz

A very transparent doubly terminated quartz crystal.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (1996)
Specimen size: 6 × 3.5 cm = 2.36” × 1.38”

MB57K9: Doubly terminated Quartz

Doubly terminated Quartz crystal, with a short prism, very clear and brilliant, contrasting with a dark matrix. Very popular specimens at French mineral shows, where were called “Diamants de la Drôme” (Drôme Diamonds).
Rémuzat, Nyons, Drôme, Auvergne-Rhône-Alpes France
Specimen size: 9.3 × 6.5 × 5.5 cm = 3.66” × 2.56” × 2.17”

Main crystal size: 1.7 × 1.3 cm = 0.67” × 0.51”

RL46L9: Doubly terminated Quartz

Group of doubly terminated Quartz crystals, one of them clearly dominant, with excellent transparency and good brilliance. The crystal that serves as a base seems broken but is undamaged, with curious face growths.
The piece is accompanied by a handwritten label from the Folch collection.
Voralp Valley, Uri Switzerland
Specimen size: 7.1 × 4 × 2 cm = 2.80” × 1.57” × 0.79”

EV16H2: Doubly terminated Quartz (variety 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)
Don Nicolás Mine, Villa Rafael Benegas (Villa Benegas), Mina Clavero, San Alberto Department, Córdoba Province Argentina (01-06/2002)
Specimen size: 5.2 × 3.3 × 2.8 cm = 2.05” × 1.30” × 1.10”

NB26K9: Doubly terminated Quartz (variety amethyst)

Partially doubly terminated crystal, with color zonations that are more intense on the terminations, on a group of milky Quartz crystals. Very uncommon locality.
Don Nicolás Mine, Villa Rafael Benegas (Villa Benegas), Mina Clavero, San Alberto Department, Córdoba Province Argentina (2003)
Specimen size: 7 × 5.5 × 3.5 cm = 2.76” × 2.17” × 1.38”

EC96G1: Doubly terminated Quartz (variety 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.
Don Nicolás Mine, Villa Rafael Benegas (Villa Benegas), Mina Clavero, San Alberto Department, Córdoba Province Argentina (01-06/2002)
Specimen size: 6.8 × 4.1 × 3 cm = 2.68” × 1.61” × 1.18”

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

TM27Y6: Doubly terminated Quartz (variety prase)

Floater and doubly terminated loop-like growth with a thin central zone and progressive widening toward the terminations, typical with prase Quartz from this locality.
The sample is from the Roy Foerster collection (num. 1225), whose label we’ll send to the buyer.
Sinerechenskoe, Primorsky Krai Russia
Specimen size: 10.5 × 2.1 × 2.1 cm = 4.13” × 0.83” × 0.83”

RD13M2: Doubly terminated Quartz (variety smoky)

Group of Quartz crystals, one of them dominant, doubly terminated and with very sharp faces and edges. Although its uniform smoky tones are not very deep, the transparency is excellent. In the Folch collection card one can read that this sample, collection Nr. 4.147, was obtained by exchange in 1950 with Herr Sulzbach from Zurich (Switzerland).
Sidelangetscher, Furka Pass area, Urseren, Uri Switzerland (±1950)
Specimen size: 5.6 × 5 × 3.7 cm = 2.20” × 1.97” × 1.46”

Main crystal size: 5.5 × 3.3 cm = 2.17” × 1.30”

RF8S7: Doubly terminated Quartz (variety smoky) with Clinochlore

Doubly terminated crystals with a scepter termination at one of its terminations, very well marked by an evident change of color, that changes to white.
Tujetsch (Tavetsch), Vorderrhein Valley, Grischun (Grisons; Graubünden) Switzerland
Specimen size: 5.2 × 2.3 × 2 cm = 2.05” × 0.91” × 0.79”

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 Mountain, Bristen, Reuss Valley, Uri Switzerland (±1947)
Specimen size: 11.8 × 6.7 × 5.4 cm = 4.65” × 2.64” × 2.13”

AT26N8: Doubly terminated Quartz with Arsenopyrite and Muscovite

Group of doubly terminated crystals of Quartz, one of them clearly dominant, with many inclusions. Partially coated by Arsenopyrite crystals and leafy aggregates of Muscovite.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal
Specimen size: 6.7 × 5.3 × 2.2 cm = 2.64” × 2.09” × 0.87”

NM87P2: Doubly terminated Quartz with Baryte and inclusions

Two very bright and well defined doubly terminated crystals with abundant inclusions and with Baryte. The secondary crystal is slightly flattened by an overgrowth of two opposite faces of one of the terminal rhombohedrons. The sample is from a recent find of a big geode in the locality. Unfortunately only a few specimens were saved and complete. The Emilio mine is very well known for colorless Fluorite crystals but Quartz is very uncommon there.
This specimen was photographed for the ‘Sainte-Marie Show 2009’ section of the magazine ‘Minéraux et Fossiles’ and appears on page 17 of number 383.
Emilio Mine, 'coquera norte', north area, Obdulia vein, Caravia mining area, La Rubiera, Loroñe, Colunga, Comarca de la Sidra, Principality of Asturias (Asturias) Spain (03/2009)
Specimen size: 8.9 × 6.5 × 5.7 cm = 3.50” × 2.56” × 2.24”

ML8Z1: Doubly terminated Quartz with Boulangerite inclusions

Very aerial aggregate of doubly terminated Quartz crystals with polycrystalline terminations and a grey color, due to Boulangerite inclusions.
Herja Mine, Chiuzbaia, Baia Sprie, Maramures Romania (02/2001)
Specimen size: 3.1 × 2.5 × 2 cm = 1.22” × 0.98” × 0.79”

TD16H8: Doubly terminated Quartz with Calcite

The crystal is doubly terminated and has the short prism typical of the locality. It is transparent and bright and has attractive inclusions of hydrocarbons and the beginning of “windows” on some of its terminal faces. We call attention on the position of the crystal on the matrix that enhances the esthetics of the specimen as well as increases its value because specimens of Quartz with matrix are pretty unusual in Berbes.
This specimen was photographed and published in the magazine "Lapis" number 7-8 / 2013, page 23
Berbes mining area, Berbes, Ribadesella, Comarca Oriente, Principality of Asturias (Asturias) Spain (±1997)
Specimen size: 5.3 × 3.9 × 4 cm = 2.09” × 1.54” × 1.57”

Main crystal size: 4.8 × 3.9 cm = 1.89” × 1.54”

RE14M5: Doubly terminated Quartz with Chlorite

Doubly terminated floater crystal with neat phantom growths underlined by Chlorite inclusions, especially on terminations.
Tujetsch (Tavetsch), Vorderrhein Valley, Grischun (Grisons; Graubünden) Switzerland
Specimen size: 6 × 2.1 × 1.7 cm = 2.36” × 0.83” × 0.67”

RQ26X8: Doubly terminated Quartz with chlorite and adularia

Floater and complete crystal with two very different terminations. One of them has simple forms and it is completely coated by chlorite, while the opposite is free of coatings and shows a parallel polycrystalline growth.
Sedrun, Tavetsch, Vorderrhein Valley, Grisons Switzerland (±1980)
Specimen size: 11.2 × 5.5 × 4.5 cm = 4.41” × 2.17” × 1.77”

TK36AB3: Doubly terminated Quartz with Chlorite inclusions

Floater aggregate of Quartz crystals, one of them clearly dominant and all them doubly terminated, very rich in Chlorite inclusions and with completely transparent and colorless terminations.
Ganesh Himal, Dhading District, Bagmati Pradesh Nepal (2013)
Specimen size: 8.5 × 2.9 × 3.3 cm = 3.35” × 1.14” × 1.30”

NK36G4: Doubly terminated Quartz with Fluorite, Baryte and inclusions

Doubly-terminated crystals on matrix, with hydrocarbon inclusions, on the classic colorless Fluorite typical of this mine, and also with little crystals of Baryte.
Emilio Mine, 'zona intermedia', Obdulia vein, Caravia mining area, La Rubiera, Loroñe, Colunga, Comarca de la Sidra, Principality of Asturias (Asturias) Spain (09-11/2004)
Specimen size: 12.5 × 9.2 × 6.3 cm = 4.92” × 3.62” × 2.48”

Main crystal size: 2.7 × 2.2 cm = 1.06” × 0.87”

RA17L3: Doubly terminated Quartz with Hematite

Two crystals, one of them doubly terminated, totally clear, very bright, with Albite inclusions and Hematite and showing uncommon accessory rhombohedral oscillatory faces. From a classic Alpine area.
Cavradi, Curnera Valley, Tujetsch (Tavetsch), Vorderrhein Valley, Grischun (Grisons; Graubünden) Switzerland (±1954)
Specimen size: 5.6 × 3.9 × 3.7 cm = 2.20” × 1.54” × 1.46”

12722 results found.

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