Prehnite - Mineral specimens search results

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Mineral specimens search results for [ Prehnite ]

The crystals have a globular aspect due to curved faces and edges. They have a soft clear greenish yellow color and an intense luster. They form a practically floating druse, except for a little fragment of Orthoclase on the back, where the specimen was fixed to the rocky matrix.
Isabel Quarry (La Saludadora Quarry), La Cabrera pluton, Valdemanco, Comarca Sierra de Guadarrama, Community of Madrid Spain (03/1999)
Specimen size: 4.4 × 4.2 × 2.4 cm = 1.73” × 1.65” × 0.94”
Price: [SOLD]

NJ13L3: Prehnite

Globular light green aggregate, with well defined and very bright crystal terminal faces. These brilliant specimens are quite unusual in this closed quarry. On matrix.
Oficarsa Quarry, De las Culebras Hill, Carchelejo, Cárcheles, Comarca Sierra Mágina, Jaén, Andalusia Spain (2004)
Specimen size: 5 × 3.8 × 1.5 cm = 1.97” × 1.50” × 0.59”
Price: [SOLD]

AB6H5: Prehnite

The sample is very intense green and forms globular growths consisting of prismatic crystals of simple forms and very well defined. Actually disappeared from the market, it is difficult to obtain good Prehnite from this locality.
Jebel Melh, Bou Arfa, Figuig Province, Oriental Region Morocco (1995)
Specimen size: 11 × 7 × 6.3 cm = 4.33” × 2.76” × 2.48”
Price: [SOLD]

EA67Y0: Prehnite

Aggregate of crystals with polycrystalline growths and very well defined forms. They are translucent, bright and have a very intense and uniform color. The sample has the usual high quality of the good Brandberg Prehnite, but its size is bigger than usual.
Goboboseb Mountain, Brandberg, Erongo Namibia
Specimen size: 12.5 × 11.5 × 3.5 cm = 4.92” × 4.53” × 1.38”
Price: [SOLD]

MZ11J2: Prehnite

Group of prismatic crystals of excellent definition, uncommon for the species.
Guercif, Guercif Ben Hadine Province, Taza-Al Hoceima-Taounate Morocco (10/2002)
Specimen size: 7.4 × 5.7 × 4.8 cm = 2.91” × 2.24” × 1.89”
Price: [SOLD]

EM9Y1: Prehnite

A novelty at St. Marie 2013. A globular aggregate of prismatic crystals with very well defined faces and edges, color zoned with a whitish green color on the outsides and a more intense green color in the middle.
Imilchil area, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region Morocco (04/2013)
Specimen size: 4.8 × 4.3 × 3.3 cm = 1.89” × 1.69” × 1.30”
Price: [SOLD]

EB6Z5: Prehnite

Globular aggregates of short prismatic crystals with very well defined faces and edges, slightly curved terminations and color-zoned with a whitish green color on the outsides and more intense green color in the center.
Imilchil area, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region Morocco (04/2013)
Specimen size: 13.7 × 8.2 × 4.6 cm = 5.39” × 3.23” × 1.81”
Price: [SOLD]

ET46Y1: Prehnite

A novelty at St. Marie 2013. Globular aggregates of prismatic crystals with very well defined faces and edges, whitish green color and brighter slightly curved terminations with more intense green color.
This specimen was photographed and published as a novelty at the 2013 Ste. Marie Show in the magazine ‘Le Règne Minéral’ number 112, page 13, the magazine ‘Mineral Up’ on page 47 in number 2013/2 and the Mineralogical Record´s web page, in the ‘What’s New in the Mineral World?’ section, report #35, August 14, 2013 edition.
Imilchil area, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region Morocco (04/2013)
Specimen size: 11.1 × 7.7 × 4.8 cm = 4.37” × 3.03” × 1.89”
Price: [SOLD]

EB66X0: Prehnite

Very aerial spherical growths. They are translucent and with a green color that changes its intensity, it passes to whitish on the smaller spherules at the base.
Koedoekop, Keetmanshoop, Karas Namibia
Specimen size: 9.3 × 3.7 × 6.4 cm = 3.66” × 1.46” × 2.52”
Price: [SOLD]

SM100NQ: Prehnite

Spherulitic aggregates of flattened prismatic crystals, apple green in color, on matrix.
Oficarsa Quarry, De las Culebras Hill, Carchelejo, Cárcheles, Comarca Sierra Mágina, Jaén, Andalusia Spain
Specimen size: 10.6 × 9.8 × 4.3 cm cm = 4.17” × 3.86” × 1.69”
Price: [SOLD]

MP27J0: Prehnite

Spherical growths of laminar crystals on a serpentine matrix. We especially note the rich green shades of the group. This Prehnite is from a classic locality and good specimens are very scarce today.
Paterson, Passaic County, New Jersey USA
Specimen size: 11 × 8.2 × 3.7 cm = 4.33” × 3.23” × 1.46”
Price: [SOLD]

EX66AM2: Prehnite perimorphic Laumontite

Group of Prehnite crystals perimorphic after Laumontite. The Prehnite, in translucent pale green crystals, has covered, and partly replaced, the pre-existing Laumontite crystals that ended up dehydrating and disappearing completely.
Malad, Mumbai (Bombay), Mumbai District (Bombay District),, Maharashtra India
Specimen size: 20.5 × 15.7 × 4.6 cm = 8.07” × 6.18” × 1.81”

Main crystal size: 5.5 × 0.6 cm = 2.17” × 0.24”
Price: [SOLD]

TA91AL5: Prehnite perImorphose Anhydrite

Perimorphic growth of Prehnite crystals with defined crystal forms, translucent and of a vivid and uniform green color. The Prehnite maintains the outline of the Anhydrite crystal on which it was formed, which later disappeared.
The specimen comes from the Rock Currier collection (no. 7271), whose label we will send to the buyer.
Bendougou village, Commune Diakon, Arrondissement Diakon, Bafoulabé Circle, Kayes Region Mali
Specimen size: 12.5 × 7.8 × 4.6 cm = 4.92” × 3.07” × 1.81”
Price: €660 / US$703 / ¥107680 / AUD$1080

EF66AM3: Prehnite with Actinolite (variety byssolite)

Prehnite crystals with very well defined faces and edges. With distinct curvatures and polycrystalline growths, translucent, lustrous, and of an intense green color. On matrix, with Calcite and felted aggregates of Actinolite (variety byssolite). Excellent French classic from one of the typical localities for the species.
La Combe de la Selle, Saint-Christophe-en-Oisans, Le Bourg d'Oisans Comune, Isère, Auvergne-Rhône-Alpes France
Specimen size: 4.3 × 2.5 × 2.3 cm = 1.69” × 0.98” × 0.91”

Main crystal size: 1.4 × 1 cm = 0.55” × 0.39”
Price: [SOLD]

JFD65AO0: Prehnite with Augite

Not all pieces of a collection have to be 'top'. There are pieces like this, that without being anything special, you like them. Because of the shape, because of the small black crystals of Augite, because it was one of the very first ones that were found or whatever. A collection can have everything, it is enough that we like it! 😉
Oficarsa Quarry, De las Culebras Hill, Carchelejo, Cárcheles, Comarca Sierra Mágina, Jaén, Andalusia Spain (2000)
Specimen size: 2.8 × 2.3 × 2 cm = 1.10” × 0.91” × 0.79”
Price: [SOLD]

GH66AK6: Prehnite with Augite

Globular and rosette-like growths of pale green Prehnite on ophite matrix, with small acicular crystals of Augite. A Spanish classic from the Casado Margolles collection (reg. AC Various 37), whose label we will send to the buyer.
Oficarsa Quarry, De las Culebras Hill, Carchelejo, Cárcheles, Comarca Sierra Mágina, Jaén, Andalusia Spain
Specimen size: 7.1 × 6.4 × 1.9 cm = 2.80” × 2.52” × 0.75”

Main crystal size: 2.8 × 2.2 cm = 1.10” × 0.87”
Price: [SOLD]

NF61G8: Prehnite with Augite

Beautiful globular growths of Prehnite with central cavities occupied by Augite in groups of acicular crystals. Augite is also omnipresent on the whole surface of the matrix.
Oficarsa Quarry, De las Culebras Hill, Carchelejo, Cárcheles, Comarca Sierra Mágina, Jaén, Andalusia Spain (±2001)
Specimen size: 7.9 × 5.3 × 4 cm = 3.11” × 2.09” × 1.57”
Price: [SOLD]

NC16G8: Prehnite with Augite

Beautiful globular and fan-shaped growths of Prehnite, of a good green color. Also on the piece are acicular crystals of Augite.
Oficarsa Quarry, De las Culebras Hill, Carchelejo, Cárcheles, Comarca Sierra Mágina, Jaén, Andalusia Spain (12/2001)
Specimen size: 11 × 8 × 3.8 cm = 4.33” × 3.15” × 1.50”

Main crystal size: 3 × 2.7 cm = 1.18” × 1.06”
Price: [SOLD]

NA11AB6: Prehnite with Augite

Botryoidal and fan-shaped Prehnite growths with a uniform light green color and on rocky matrix. The quarry has been closed for years.
Oficarsa Quarry, De las Culebras Hill, Carchelejo, Cárcheles, Comarca Sierra Mágina, Jaén, Andalusia Spain (2002-2005)
Specimen size: 4.8 × 3.6 × 1.9 cm = 1.89” × 1.42” × 0.75”
Price: [SOLD]

JFD56AN9: Prehnite with Augite and Titanite

It was always believed that these elongated black crystals were diopsides, but thanks to Gonzalo García, editor of the respected mineral magazine Bocamina, we now know that they are actually augites. In the case of this piece, it is abundant and well displayed, as there are many crystals traversing the Prehnite crystals. Altogether, a fine piece from this locality, with the addition of the Augite and small Titanite crystals. Curiously, in the review of the piece that appeared together with its photograph in Mineralien Welt magazine, page 10 of the 01/2004 edition, the Augite is not mentioned but only the Prehnite. In those years these Carchelejo specimens were still relatively new in Europe.
Oficarsa Quarry, De las Culebras Hill, Carchelejo, Cárcheles, Comarca Sierra Mágina, Jaén, Andalusia Spain (2003)
Specimen size: 7.7 × 6.3 × 3.2 cm = 3.03” × 2.48” × 1.26”

Main crystal size: 2.5 × 2.2 cm = 0.98” × 0.87”
Price: [SOLD]

TE86AL4: Prehnite with Calcite

Group of tabular Prehnite crystals with well defined faces and edges, translucent, with an intense and uniform light blue color, good luster and a small group of Calcite crystals.
The specimen comes from the inventory of John Sampson White (# 23-10-17) whose label we will send to the buyer.
Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region Tanzania
Specimen size: 3.4 × 2.3 × 2.2 cm = 1.34” × 0.91” × 0.87”
Price: [SOLD]

MF68AK7: Prehnite with Calcite

Spheroidal growth of Prehnite crystals with very well defined terminal faces, translucent, very bright and very intense yellow. On rock matrix, with Calcite.
Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region Tanzania (2019)
Specimen size: 4.7 × 4.7 × 4.2 cm = 1.85” × 1.85” × 1.65”

Main crystal size: 1.3 × 0.5 cm = 0.51” × 0.20”
Price: [SOLD]

SV3130TXX: Prehnite with Calcite and Orthoclase

These pill-shaped calcites on the typical Prehnite from the area are quite curious. Many pieces like this were floaters, which is why quite a few of them were saved. Now they are remnants of a past splendor, as as is often said: 'Nothing comes out anymore from there'.
Isabel Quarry (La Saludadora Quarry), La Cabrera pluton, Valdemanco, Comarca Sierra de Guadarrama, Community of Madrid Spain
Specimen size: 8.3 × 5.6 × 1.8 cm = 3.27” × 2.20” × 0.71”
Price: [SOLD]

NN6AK5: Prehnite with Calcite, Clinozoisite-Epidote and Quartz

From a collection displayed for the first time at Munich 2019: Aggregate of spheroidal growths of Prehnite crystals, translucent, lustrous, and pale yellowish green. Partially coated with thin tabular crystals of translucent white Calcite. On matrix, with Quartz and microcrystals of Epidote-Clinozoisite.
The specimen is from the Miguel David Martínez collection (No. 105), whose label we will send to the buyer.
Isabel Quarry (La Saludadora Quarry), La Cabrera pluton, Valdemanco, Comarca Sierra de Guadarrama, Community of Madrid Spain
Specimen size: 9.2 × 4.4 × 3.9 cm = 3.62” × 1.73” × 1.54”

Main crystal size: 0.6 × 0.5 cm = 0.24” × 0.20”
Price: [SOLD]

EB27AJ5: Prehnite with Calcite, Orthoclase and Clinozoisite-Epidote (Series)

Spheroidal aggregates of Prehnite crystals that are well defined, translucent, with an excellent luster and a pale color, between green and yellow. They are on a matrix with Microcline, Clinozoisite and white tabular Calcite crystals.
The sample is from the Raúl Sanabria collection whose label we will send to the buyer.
Los Taberneros Quarry, (La Cabrera pluton), Los Taberneros, El Berrueco, Comarca Sierra Norte, Community of Madrid Spain (03/1999)
Specimen size: 14.5 × 8.2 × 5.8 cm = 5.71” × 3.23” × 2.28”
Price: [SOLD]

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