Quartz - Mineral specimens search results

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Mineral specimens search results for [ Quartz ]

JFD237AQ1: Quartz with Dolomite (variety Fe-bearing dolomite) and Chlorite

A curiosity: A well crystallized Quartz from the Aragonese Pyrenees and from the little known locality of Valsaroleta, with Chlorite and ferriferous Dolomite, which at the time were described as Pyrophyllite and Ankerite on the Folch label, the “Pyrophyllite” having been opportunely modified by Mr. Folch himself and with the “Ankerite” later re-described as ferriferous Dolomite. Nowadays we have much more information than was available 76 years ago when this elegant piece was found.
Balsaroleta, Sallent de Gállego, Tena Valley, Comarca Alto Gállego, Huesca, Aragon Spain (1947)
Specimen size: 9.2 × 8.2 × 3.1 cm = 3.62” × 3.23” × 1.22”

MF14V4: Quartz with Dolomite and Scheelite

Group of Quartz crystals, one of them clearly dominant. It is very transparent and bright, with rhombohedral crystals of Dolomite and small dipyramidal crystals, slightly gray, of Scheelite.
Pingwu Mine, Huya township, Mount Xuebaoding, Pingwu, Mianyang Prefecture, Sichuan Province China (2011)
Specimen size: 7.7 × 3.8 × 6.2 cm = 3.03” × 1.50” × 2.44”

Main crystal size: 7 × 2.7 cm = 2.76” × 1.06”

SM190NRJ: Quartz with Dolomite, Fluorapatite and Pyrite

Doubly terminated quartz crystal with a very unusual morphology, very flattened, with two very different terminations, the upper one normal and the lower polycrystalline. Transparent, lustrous, almost completely covered on the back by small white rhombohedral Dolomite crystals and with Fluorapatite crystals and Pyrite microcrystals.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Region Portugal (±2000)
Specimen size: 16.2 × 6 × 2 cm = 6.38” × 2.36” × 0.79”

EF6T4: Quartz with Dolomite, Talc and Allanite-(Ce)

Well developed crystal of Quartz with a very visible inclusion that shows a feather shape, very probably Allanite-(Ce). Is on matrix, with Dolomite and small laminar crystals of Talc.
Trimouns Mine, Luzenac, Haute-Ariège, Foix, Ariège Department, Occitanie France (02/2011)
Specimen size: 9.2 × 5.9 × 4.3 cm = 3.62” × 2.32” × 1.69”

Main crystal size: 7.7 × 1.9 cm = 3.03” × 0.75”

NJ27AI3: Quartz with Epidote

Pair of two Quartz crystals, one of them complete and doubly terminated. Both Quartz crystals are very rich in Chlorite inclusions with an intense green color and they are very bright. There are some “bundle-like” Epidote aggregates, very bright and with a deep green color, attached to them .
The sample is from the Ignacio Hernández collection (num. 87) whose original label we’ll send to the buyer.
Paracas Quarry, Huaytará, Huaytará Province, Huancavelica Department Peru
Specimen size: 8 × 5 × 3.1 cm = 3.15” × 1.97” × 1.22”

RM12T5: Quartz with Epidote inclusions

Group of sharp, clear and colorless crystals that are very bright and have acicular inclusions of green Epidote at their base.
Göscheneralp, Göschenen Valley, Göschenen, Reuss Valley, Uri Switzerland
Specimen size: 8 × 4.7 × 3.3 cm = 3.15” × 1.85” × 1.30”

Main crystal size: 5.3 × 2.6 cm = 2.09” × 1.02”

EQ14R9: Quartz with Fe-Mn oxides

Growths of Quartz crystals forming irregular bundles. The crystals are completely coated by intensely bright and iridescent oxides of iron and manganese. On a matrix of Quartz and Limonite.
Banská Štiavnica (Schemnitz), Banská Štiavnica District, Banská Bystrica Region Slovak Republic (2009)
Specimen size: 8.3 × 6.4 × 3.5 cm = 3.27” × 2.52” × 1.38”

EG66R9: Quartz with Fe-Mn oxides

Growths of Quartz crystals forming irregular bundles. The crystals are completely coated by intensely bright and iridescent oxides of iron and manganese. On a matrix of Limonite.
This specimen was published on the Mineralogical Record´s web page, in the ‘What’s New in the Mineral World?’ section of the March 10, 2011 edition.
Banská Štiavnica (Schemnitz), Banská Štiavnica District, Banská Bystrica Region Slovak Republic (2009)
Specimen size: 11.5 × 6 × 4 cm = 4.53” × 2.36” × 1.57”

Main crystal size: 1.1 × 0.3 cm = 0.43” × 0.12”

EH66R9: Quartz with Fe-Mn oxides

Growths of Quartz crystals forming irregular bundles. The crystals are completely coated by intensely bright and iridescent oxides of iron and manganese. On a matrix of Quartz and Limonite.
Banská Štiavnica (Schemnitz), Banská Štiavnica District, Banská Bystrica Region Slovak Republic (2009)
Specimen size: 11 × 6.7 × 5.8 cm = 4.33” × 2.64” × 2.28”

GF64Q5: Quartz with Fluor-uvite and Magnesite

Lenticular crystals of Fluor-uvite formed by a very flattened rhombohedron and a very short prism. They have intense green color and are very transparent, with small rhombohedra of Magnesite and on a very transparent crystal of Quartz. The association of Fluor-uvite and Quartz is infrequent at this locality and even more with crystals of the quality and the size of this one.
Pomba Pit, Serra das Éguas, Brumado, Bahia, Northeast Region Brazil (±1994)
Specimen size: 17.4 × 4.6 × 3.9 cm = 6.85” × 1.81” × 1.54”

Main crystal size: 0.7 × 0.7 cm = 0.28” × 0.28”

N14CKF4: Quartz with Fluorapatite and Siderite

A neat group of brilliant, sharp Quartz crystals, some of which are doubly terminated, accompanied by tabular green Fluorapatite and small lenticular crystals of Siderite.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Region Portugal (1994)
Specimen size: 7 × 5.5 × 5.5 cm = 2.76” × 2.17” × 2.17”

TA46H4: Quartz with Fluorapatite and Siderite

Typical crystal from Panasqueira. On the termination on a bed of Siderite crystals there is a group of green, very bright and short prismatic crystals of Fluorapatite.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Region Portugal
Specimen size: 8.5 × 4.8 × 3.3 cm = 3.35” × 1.89” × 1.30”

EF92AA2: Quartz with Fluorapatite inclusions and with Muscovite, Siderite and Calcite

Thin laminar Fluorapatite crystal included in a Quartz crystal partially coated by Siderite and Muscovite. Visible crystalline inclusions of Fluorapatite are very rare. In this the sample, approximately half of a crystal can be seen and it has concentric geometrical color zones with a dominant yellowish-green color.
Minas da Panasqueira, level 1, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Region Portugal (05/2014)
Specimen size: 9.5 × 5.1 × 3.8 cm = 3.74” × 2.01” × 1.50”

JFD38AN7: Quartz with Fluorapatite inclusions, Cassiterite and Siderite

Quartz is ubiquitous in Panasqueira and appears there in a great diversity of habits. In this floater, recrystallized at its base, what is attractive, in addition to its transparency and perfection, is the presence of a Cassiterite crystal in the center of the piece and the numerous inclusions of Fluorapatite crystals, a very rare inclusion due to the very different formation temperatures of Quartz and Fluorapatite. Completing this combo piece is the presence of Siderite on the back. I bought it from Alberto Ledo in 2014. Alberto is part of the new generation of Portuguese dealers who go often to the mine and sometimes get great specimens from there.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Region Portugal (10/2014)
Specimen size: 11.6 × 4.5 × 2.8 cm = 4.57” × 1.77” × 1.10”

Main crystal size: 9.1 × 2.9 cm = 3.58” × 1.14”

AB50Y8: Quartz with Fluorapatite, Muscovite and Ferberite

Doubly terminated short prismatic Fluorapatite crystals implanted on a transparent and bright Quartz crystal with small leafy Muscovite aggregates and a Ferberite crystal at the base.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Region Portugal (1987-2013)
Specimen size: 13 × 4.3 × 3.4 cm = 5.12” × 1.69” × 1.34”

WRA96CD2: Quartz with Fluorapatite, Siderite and Pyrite

Well-developed Quartz crystal, translucent and shiny, coated with shiny and bluish Fluorapatite crystals; with Siderite and a coating of small Pyrite crystals on the back. Noteworthy, in addition to its beauty, are the Fluorapatite inclusions inside the Quartz crystal, which, due to their partial fusion at the Quartz formation temperature, have a very unusual appearance. Like all specimens in Raúl Sanabria's collection, it was chosen with great care, always aiming to have something special that sets it apart.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Region Portugal (12/2016)
Specimen size: 12.4 × 11.5 × 8.4 cm = 4.88” × 4.53” × 3.31”

Main crystal size: 11.5 × 4.2 cm = 4.53” × 1.65”

EK27AI8: Quartz with Fluorapatite, Siderite, Arsenopyrite, Muscovite and Sphalerite

Group of very clear and bright Quartz crystals with coatings of Siderite and Fluorapatite on their terminal faces and Muscovite, Cassiterite and Arsenopyrite on their base.
The sample is from the Raúl Sanabria collection whose label we will send to the buyer.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Region Portugal (±2004)
Specimen size: 14.2 × 5.3 × 5.1 cm = 5.59” × 2.09” × 2.01”

NQ7L2: Quartz with Fluorapophyllite-(K)

This specimen comes from the pockets of the granite area of El Berrueco (Madrid). A big Quartz crystal partially covered by a thin layer of colorless but very bright and well defined Fluorapophyllite-(K) crystals. There are small and isolated generations of Fluorapophyllite crystals on the Quartz pyramid faces not covered by Fluorapophyllite-(K).
Los Taberneros Quarry, (La Cabrera pluton), Los Taberneros, El Berrueco, Comarca Sierra Norte, Community of Madrid Spain (12/2002)
Specimen size: 7.9 × 5.9 × 5.3 cm = 3.11” × 2.32” × 2.09”

Main crystal size: 0.2 × 0.1 cm = 0.08” × 0.04”

EF13AD8: Quartz with Fluorite

Individualized crystals, most of them doubly terminated. They are very bright and coat a druse of yellow cubes of Fluorite crystals. Very unusual, it is from a find last June 2016 at the classic Moscona mine.
Moscona Mine, El Llano, Solís, Corvera de Asturias, Comarca Avilés, Principality of Asturias (Asturias) Spain (06/2016)
Specimen size: 6.5 × 5.8 × 2 cm = 2.56” × 2.28” × 0.79”

TPA16ASN1: Quartz with Fluorite and Chlorite

A curious and aesthetic specimen formed by two recrystallized Quartz crystals in an acrobatic position, with one resting horizontally on the first in a vertical position. Both partially covered by lilac Fluorite cubic crystals that vary from light to intense tones, and greenish Chlorite, completing a very unusual specimen from the Panasqueira mines.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Region Portugal
Specimen size: 10 × 6.2 × 3.8 cm = 3.94” × 2.44” × 1.50”

Main crystal size: 7 × 3.7 cm = 2.76” × 1.46”

SM120NQ: Quartz with Galena

Partially doubly terminated, transparent, brilliant Quartz crystal, with inclusions and on a crystalline Galena matrix partially altered to light colored lead oxides. Of the best possible quality for this Quartz find.
Former collection of Miguel David Martínez. Number 366
Construction of the Alumbres-Cartagena highway, Alumbres, Cartagena, Comarca Campo de Cartagena, Region of Murcia (Murcia) Spain (2014)
Specimen size: 5.6 × 3.4 × 3.1 cm cm = 2.20” × 1.34” × 1.22”

TC270NRV: Quartz with Galena and Dolomite (variety Fe-bearing dolomite)

Cubo-octahedral Galena crystals implanted on a matrix with brown Dolomite crystals (iron-bearing variety) and white Quartz crystals.
Mina Rómulo, Collado La Mina, Llano del Beal, Cartagena, Comarca Campo de Cartagena, Region of Murcia (Murcia) Spain
Specimen size: 10.6 × 6 × 4.2 cm = 4.17” × 2.36” × 1.65”

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

NT89AK6: Quartz with Goethite

Quartz crystal druse with mainly pyramid faces and just minimal prism faces, coated with iridescent Goethite in green, blue and violet hues. The specimen is large for this type of piece and comes from the collection of Miguel David Martínez (no. 611) whose label we will send to the buyer.
San Valentín open pit, Sancti Espíritu, Sierra Minera de Cartagena-La Unión, La Unión, Comarca Campo de Cartagena, Region of Murcia (Murcia) Spain (1995)
Specimen size: 18.4 × 10.4 × 4.6 cm = 7.24” × 4.09” × 1.81”

NT26AJ9: Quartz with Hematite

Group of Quartz crystals with very visible phantom growths due the red Hematite inclusions. They are partially coated by an iridescent and scoriaceous Goethite patina with metallic green, blue and red dominant shades.
The sample is from the Ignacio Hernández collection whose label we will send to the buyer.
Itremo Massif, Itremo, Ambatofinandrahana District, Amoron'i Mania Region Madagascar
Specimen size: 6.7 × 6.3 × 3.7 cm = 2.64” × 2.48” × 1.46”

Main crystal size: 6.7 × 1.3 cm = 2.64” × 0.51”

MT87AL3: Quartz with Hematite

Single crystal of Quartz, very large and also very special for two reasons: it comes from a deposit from which only a few pieces are known and the Hematite inclusions give it a very attractive reddish color. The presence of small Hematite iron roses also completes its appeal.
Qagan Obo deposit (Rongguan), Diyanqinamu mining district, East Ujimqin Banner (Dongwu Qi), Xilin Gol League (Xilinguole Prefecture), Inner Mongolia Autonomous Region China (2016)
Specimen size: 23 × 4.8 × 4.6 cm = 9.06” × 1.89” × 1.81”

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