Quartz - Mineral specimens search results

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Mineral specimens search results for [ Quartz ]

HM70HE: Quartz (variety jacinto de compostela) with Gypsum

Doubly terminated hematoidal Quartz crystal (variety jacinto de compostela), with good luster and a very dense color, included in a Gypsum matrix. A classic of the Spanish mineralogy.
Chella, Comarca Canal de Navarrés, Valencia / València, Valencian Community / Comunitat Valenciana Spain
Specimen size: 10 × 8.5 × 4.9 cm = 3.94” × 3.35” × 1.93”

ND14AL5: Quartz (variety jacinto de compostela) with Gypsum

Spheroidal growth of Quartz crystals (Jacinto de Compostela variety) on a Gypsum matrix. The sharp crystals have very fine, almost non-existent prismatic faces and are shiny and of an intense and uniform color.
Chella, Comarca Canal de Navarrés, Valencia / València, Valencian Community / Comunitat Valenciana Spain
Specimen size: 6 × 3.8 × 3.4 cm = 2.36” × 1.50” × 1.34”

JFD187AP3: Quartz (variety jasper)

From Montjuïc hill in the city of Barcelona itself, these microcrystalline quartzes are a Catalan classic and although I said I would not part with any Catalan pieces for sentimental reasons, I had two of these so much alike that as an exception I'll keep one and release the other. I liked both of them because they have an intense color and the growth bands are more “pictorial” than what is usual from there.
Montjuïc, Barcelona city, Comarca Barcelonès, Barcelona, Catalonia / Catalunya Spain (±1981)
Specimen size: 6.6 × 4.8 × 4.4 cm = 2.60” × 1.89” × 1.73”

CM13AM5: Quartz (variety prase)

Group of elongated crystals of Quartz (variety prase), with good luster and a very deep color. A fine miniature. This piece comes from the Carles Curto collection (number 1972.07), whose label and computer file we will send to the buyer.
Porto Azzurro, Elba Island, Livorno Province, Tuscany Italy (±1972)
Specimen size: 3.8 × 3.8 × 3.5 cm = 1.50” × 1.50” × 1.38”

Main crystal size: 2.4 × 0.5 cm = 0.94” × 0.20”

ML16AN0: Quartz (variety prase)

Group of Quartz crystals (prase variety) with distinct polycrystalline surfaces, with good luster and a deep and uniform color, and with small Andradite crystals at the base. We will ship the specimen in the original Perky box from the Robert J. Noble collection, which also contains the label.
Second Sovetskii Mine, 230↓, Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai Russia
Specimen size: 3.6 × 1.7 × 1.8 cm = 1.42” × 0.67” × 0.71”

MB66AE7: Quartz (variety prase)

Pinecone-like aggregate of very well defined spear-point-shaped crystals that are dipyramidal, with no prism faces. They are bright with an intense green color due to inclusions, probably Actinolite and/or Hedenbergite. On the sample there are parallel thin laminar gaps, left by dissolved Calcite crystals.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region China (2015)
Specimen size: 4 × 3.4 × 3.1 cm = 1.57” × 1.34” × 1.22”

Main crystal size: 1.5 × 1.4 cm = 0.59” × 0.55”

TLP27AO5: Quartz (variety prase)

Very aerial group of crystals of Quartz with the typical tapered profile of Seriphos specimens, translucent, with a uniform green color (prase variety) due to inclusions of pyroxenes. On matrix.
Serifos Island, Cyclade Islands, Kykládes Prefecture, Aegean Islands Department (Aiyaíon) Greece
Specimen size: 7.3 × 5.8 × 6.3 cm = 2.87” × 2.28” × 2.48”

TC2220NEC: Quartz (variety prase)

Very aerial group of transparent Quartz crystals, with phantom growths and green inclusions. The specimen comes from the Miguel David Martínez collection (nº 794), whose label we will send to the buyer.
Mina Balsa Depositaria, El Pino, El Gorguel, Cartagena, Comarca Campo de Cartagena, Region of Murcia (Murcia) Spain
Specimen size: 16.3 × 11.8 × 6.3 cm = 6.42” × 4.65” × 2.48”

Main crystal size: 4 × 2.3 cm = 1.57” × 0.91”

TC37AF6: Quartz (variety prase)

Parallel aggregate of crystals with the very neat tapered shape typical of “prase” specimens from Serifos. They are translucent and have a uniform green color.
Serifos Island, Cyclade Islands, Kykládes Prefecture, Aegean Islands Department (Aiyaíon) Greece
Specimen size: 10.1 × 3 × 2.8 cm = 3.98” × 1.18” × 1.10”

NMR97AO1: Quartz (variety prase)

Very aesthetic group of Quartz crystals elongated by parallel growths, with good luster and an intense green color (prase variety), probably due to inclusions of Actinolite and/or Hedenbergite. Becomes clearer and more translucent, until reaching colorless, in the terminations.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region China (2019)
Specimen size: 14.8 × 10.6 × 5.8 cm = 5.83” × 4.17” × 2.28”

Main crystal size: 4.4 × 0.8 cm = 1.73” × 0.31”

EN49AE4: Quartz (variety prase)

Spear-shaped crystals on matrix. They are dipyramidal with absent prismatic faces, and are bright with an intense green color due to inclusions, probably Actinolite and/or Hedenbergite.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region China (2016)
Specimen size: 7.4 × 5.6 × 4.2 cm = 2.91” × 2.20” × 1.65”

EA72AE6: Quartz (variety prase)

Very well defined spear-shaped crystals that are dipyramidal, with absent prismatic faces. They are bright with an intense green color due to inclusions, probably Actinolite and/or Hedenbergite. On the sample there is Quartz with a very different shape, probably a first growth phase, a coating or a substitution of Calcite crystals which have disappeared. The Quartz has formed parallel polycrystalline growths with flattened, almost laminar forms filling and following the empty spaces left by the earlier Calcite.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region China (2016)
Specimen size: 13.6 × 11.4 × 6.2 cm = 5.35” × 4.49” × 2.44”

Main crystal size: 2.4 × 2.3 cm = 0.94” × 0.91”

NRB96AO7: Quartz (variety prase)

Group of Quartz crystals, one of them clearly dominant, with very sharp crystal forms, translucent, with good luster and a uniform green color due to inclusions of an amphibole, probably Actinolite and/or Hedenbergite. The specimen comes from the collection of Miguel David Martínez (number 1050) whose label we will send to the buyer.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region China (±2006)
Specimen size: 9.2 × 4.5 × 4.3 cm = 3.62” × 1.77” × 1.69”

MT66AL5: Quartz (variety prase) with Andradite

Very aerial crystals of prase Quartz with polycrystalline surfaces with the typical tapered shape of local specimens, deep in color, on matrix, with small Andradite crystals.
Sinerechenskoe, Primorsky Krai Russia
Specimen size: 6.1 × 3.7 × 3.9 cm = 2.40” × 1.46” × 1.54”

Main crystal size: 3 × 1 cm = 1.18” × 0.39”

DR67AC4: Quartz (variety prase) with Andradite

Aggregate of crystals that have polycrystalline surfaces and with the tapered shape typical of the samples from the locality. The sample, very aerial and esthetic, is bordered, at the base, by small Andradite crystals. The sample is from the Desmond Sacco collection, whose label we’ll send to the buyer.
Sinerechenskoe, Primorsky Krai Russia
Specimen size: 6.5 × 5.5 × 3.3 cm = 2.56” × 2.17” × 1.30”

TPQ91AN5: Quartz (variety prase) with Calcite

Parallel aggregates of Quartz crystals (variety prase) with a very sharp dipyramidal habit and the absence of prism faces. They exhibit bright luster and an intense green color due to inclusions, probably Actinolite and/or Hedenbergite. In this specimen, the same Quartz coincides with a very different habit that could correspond to a first growth phase together with Calcite, which later disappeared, leaving the Quartz as parallel, flattened and almost lamellar polycrystalline forms following the spaces left by the Calcite.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region China (2021)
Specimen size: 14 × 13.1 × 7 cm = 5.51” × 5.16” × 2.76”

Main crystal size: 4 × 1.2 cm = 1.57” × 0.47”

EH37AA5: Quartz (variety prase) with Calcite-Dolomite

Quartz crystals with very well defined polycrystalline surfaces, with the typical spindled shape of a lot of the samples from this locality and with a rosette of thin-tabular Calcite-Dolomite crystals.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region China (2012)
Specimen size: 8 × 4.4 × 3.9 cm = 3.15” × 1.73” × 1.54”

BFM69AP0: Quartz (variety prase) with Hematite (variety iron rose)

Very aerial group of Quartz crystals with the typical tapered profile of Serifos specimens, translucent and with a uniform green color (prase variety) due to pyroxene inclusions. With very sharp Hematite crystal coatings with the habit known as "iron rose". The specimen comes from an important European collection.
Avissalos Bay, Serifos Island, Cyclade Islands, Kykládes Prefecture, Aegean Islands Department (Aiyaíon) Greece
Specimen size: 13.3 × 7.3 × 3.7 cm = 5.24” × 2.87” × 1.46”

Main crystal size: 2.4 × 0.5 cm = 0.94” × 0.20”

TR97AC9: Quartz (variety prase) with Hematite and Quartz

Divergent polycrystalline growths of prase Quartz, bright and with very well defined faces and edges and small rosette growths of laminar Hematite crystals.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region China (2013)
Specimen size: 10.7 × 9.2 × 8 cm = 4.21” × 3.62” × 3.15”

JFD115AO3: Quartz (variety red quartz)

One of Aouli's specialties: Quartz with a first generation of blood-red color and a second generation of totally colorless Quartz that allows the underlying red first generation to be seen very well. Curiously, Aouli's fame is not derived from these quartzes but from fluorites, which do not actually come from there but rather from the deposits of Sidi Ayad and Chebka Sidi Said.
Aouli, Mibladen mining district, Mibladen, Midelt, Midelt Province, Drâa-Tafilalet Region Morocco (1996)
Specimen size: 8 × 4 × 6.2 cm = 3.15” × 1.57” × 2.44”

Main crystal size: 2.2 × 1.7 cm = 0.87” × 0.67”

TV47AB2: Quartz (variety red quartz)

A novelty at Tucson 2015. Quite different from other Quartz samples previously collected at the same area by its morphology, with a wide development of one of the pyramidal faces and by the Hematite distribution, both as coatings and as inclusions that occupy most of the Quartz crystal’s interior and by a second generation of small crystals.
Toufassmame (Izizauen), Alnif Commune, Tinghir Province, Drâa-Tafilalet Region Morocco (01/2015)
Specimen size: 7 × 5.5 × 3.4 cm = 2.76” × 2.17” × 1.34”

TK67AB2: Quartz (variety red quartz)

A novelty at Tucson 2015. Quite different from other Quartz samples previously collected at the same area by its morphology, forming a parallel growth of very thick crystals and by the Hematite, both as fine coatings and as inclusions that occupy part of the Quartz crystal’s interior.
Toufassmame (Izizauen), Alnif Commune, Tinghir Province, Drâa-Tafilalet Region Morocco (01/2015)
Specimen size: 10.7 × 6 × 5.9 cm = 4.21” × 2.36” × 2.32”

Main crystal size: 8.8 × 4.6 cm = 3.46” × 1.81”

TC89AB2: Quartz (variety red quartz)

A novelty at Tucson 2015. Quite different from other Quartz samples previously collected at the same area by its morphology, with a very wide growth of one of the pyramidal and two parallel prismatic faces, and by the Hematite, both as fine coatings and as inclusions that occupy part of the Quartz crystal’s interior.
This specimen has been photographed and published as a novelty at the 2015 Tucson Show in the magazine "Lapis" number 03/2015, page 27 and in the magazine ‘Mineralogical Record’ on page 456, volume 46, number 3
Toufassmame (Izizauen), Alnif Commune, Tinghir Province, Drâa-Tafilalet Region Morocco (01/2015)
Specimen size: 10.9 × 10.6 × 6 cm = 4.29” × 4.17” × 2.36”

TJ40AB2: Quartz (variety red quartz)

A novelty at Tucson 2015. Quite different from other Quartz samples previously collected at the same area by its morphology, with a very wide growth of one of the pyramidal and two parallel prismatic faces, and by the Hematite, both as fine coatings and as inclusions that occupy part of the Quartz crystal’s interior.
Toufassmame (Izizauen), Alnif Commune, Tinghir Province, Drâa-Tafilalet Region Morocco (01/2015)
Specimen size: 12 × 9.4 × 6.4 cm = 4.72” × 3.70” × 2.52”

Main crystal size: 3 × 1.2 cm = 1.18” × 0.47”

TP93E2: Quartz (variety red quartz)

This red Quartz is an elegant floater with all the crystals doubly terminated and partially covered by a second generation of white Quartz. This is one of the most esthetic specimens of this type that we have seen.
Second Sovetskii Mine, Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai Russia (2003)
Specimen size: 10.5 × 7 × 5 cm = 4.13” × 2.76” × 1.97”

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