Quartz - Mineral specimens search results

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Mineral specimens search results for [ Quartz ]

MRB52AP9: Quartz after Fluorite with Quartz

Complete sphere of microcrystalline Quartz, pseudomorph after a spheroidal Fluorite, blue-green in color, on a Quartz matrix. Unlike any other we have seen before.
Anxi, Quanzhou Prefecture, Fujian Province China (2017)
Specimen size: 7.7 × 6.8 × 6.4 cm = 3.03” × 2.68” × 2.52”

XM2160NQA: Quartz after fossil

Quartz crystals of intense luster cover a hemispherical cavity corresponding to an ancient fossil, probably a bivalve, embedded in a matrix of marly rock formed in a lagoon. These Quartz-filled vugs are very difficult to get today since the locality is now protected and so specimens can only be obtained from old collections, such as that of Santiago Jiménez García in this case.
Quartz geodes outcrop, Valdematilla ravine, Tubilla del Agua, Comarca Valle del Rudrón, Burgos, Castile and León Spain
Specimen size: 11.8 × 11.1 × 4.5 cm = 4.65” × 4.37” × 1.77”

Main crystal size: 6.3 × 6 cm = 2.48” × 2.36”

HM280NT: Quartz coated by Quartz (variety chalcedony)

Group of slightly amethystine Quartz crystals with the faces completely covered by a second generation of pale pink micro-crystalline Quartz.
The specimen comes from the Miguel David Martínez collection (nº 519) whose label we will send to the buyer.
Los Pajaritos-Cabezo de Don Juan Ravine, Llano del Beal, Cartagena, Comarca Campo de Cartagena, Region of Murcia (Murcia) Spain
Specimen size: 12.8 × 9.5 × 7.7 cm = 5.04” × 3.74” × 3.03”

SV210MXE: Quartz coating Fluorite

Group of octahedral Fluorite crystals completely covered by microcrystals of very lustrous Quartz that perfectly preserves the morphology of the Fluorite crystals. They are arranged in a rock matrix fully carpeted by a first generation of Quartz crystals. This material was unknown until now from this locality.
Ruijin, Ganzhou Prefecture, Jiangxi Province China (09/2022)
Specimen size: 10.4 × 4.3 × 4.2 cm = 4.09” × 1.69” × 1.65”

Main crystal size: 1.7 × 1.6 cm = 0.67” × 0.63”

SV230MLH: Quartz coating Fluorite

Group of octahedral Fluorite crystals completely covered by microcrystals of very lustrous Quartz that perfectly preserves the morphology of the Fluorite crystals. They are arranged on a rock matrix fully carpeted by an earlier generation of Quartz crystals. This material was unknown until now from this locality.
Ruijin, Ganzhou Prefecture, Jiangxi Province China (09/2022)
Specimen size: 10.1 × 8 × 5.4 cm = 3.98” × 3.15” × 2.13”

SV280MFF: Quartz coating Fluorite

Group of octahedral Fluorite crystals completely coated by very lustrous Quartz microcrystals that perfectly preserve the morphology of the Fluorite crystals. One of the crystals preserves part of the original greenish Fluorite, as can be seen on the left side of the specimen. They are arranged in a matrix of rock completely coated by an earlier generation of Quartz crystals. This material was unknown until now at this locality.
Ruijin, Ganzhou Prefecture, Jiangxi Province China (09/2022)
Specimen size: 9.3 × 5.4 × 4.4 cm = 3.66” × 2.13” × 1.73”

Main crystal size: 2.6 × 2.4 cm = 1.02” × 0.94”

SV560MXA: Quartz coating Fluorite

Group of octahedral Fluorite crystals completely covered by microcrystals of very lustrous Quartz that perfectly preserves the morphology of the Fluorite crystals. They are arranged in a rock matrix fully covered by an earlier generation of Quartz crystals.
Ruijin, Ganzhou Prefecture, Jiangxi Province China (09/2022)
Specimen size: 11.3 × 7.6 × 5.1 cm = 4.45” × 2.99” × 2.01”

SV420MMB: Quartz coating Fluorite with Hematite

Pair of very sharp octahedral Fluorite crystals completely covered by very lustrous Quartz microcrystals that perfectly preserve the Fluorite crystal morphology. They are arranged in a matrix of rock totally covered by an earlier generation of Quartz crystals, some of them with dark inclusions of Hematite. This material was unknown until now at this locality.
Ruijin, Ganzhou Prefecture, Jiangxi Province China (09/2022)
Specimen size: 4.9 × 4.1 × 3.5 cm = 1.93” × 1.61” × 1.38”

Main crystal size: 2.1 × 2 cm = 0.83” × 0.79”

TRT16AO7: Quartz doubly terminated with hydrocarbon inclusions

Group of doubly terminated crystals, one of them clearly dominant, transparent, lustrous, and with well-defined spherical inclusions of hydrocarbons, some of them mobile. A high quality Spanish classic, very fine.
Berbes mining area, Berbes, Ribadesella, Comarca del Oriente, Principality of Asturias (Asturias) Spain
Specimen size: 6.2 × 3.5 × 3.2 cm = 2.44” × 1.38” × 1.26”

N11BI7: Quartz on Siderite

Doubly terminated, very bright and absolutely clear crystal. It is on a matrix of crystallized Siderite. The crystal has curious deformations on the terminal faces and shows inclusions on its central zone.
Tazoult Nâra deposit, Jebel Boutaraf, Taouz, Er Rachidia Province, Drâa-Tafilalet Region Morocco (1998)
Specimen size: 9.4 × 7.6 × 6.5 cm = 3.70” × 2.99” × 2.56”

Main crystal size: 3.4 × 1 cm = 1.34” × 0.39”

MTR89AO0: Quartz perimorphic of Calcite

Druse of Calcite and Quartz crystals with one much larger crystal that was once a Calcite scalenohedron, completely hollow and replaced by microcrystalline Quartz that preserves the perfectly sharp forms of the previously existing Calcite. The application of a strong light source shows that the crystal is completely empty inside.
Xiefang Mine, Ruijin, Ganzhou Prefecture, Jiangxi Province China (2014)
Specimen size: 9.2 × 6.6 × 6 cm = 3.62” × 2.60” × 2.36”

MM17N4: Quartz prase with Andradite

The crystal has polycrystalline surfaces with the typical spindled shape of the samples from this locality. The sample is very aerial and esthetic on a matrix very rich with small crystals of Andradite.
Sinerechenskoe, Primorsky Krai Russia (2008)
Specimen size: 7.3 × 5.7 × 4.1 cm = 2.87” × 2.24” × 1.61”

Main crystal size: 6 × 1.6 cm = 2.36” × 0.63”

MR47N4: Quartz prase with Andradite

Crystals with polycrystalline surfaces with the typical spindled shape of the samples from this locality. The sample is very aerial and esthetic on a matrix very rich with small crystals of Andradite.
Sinerechenskoe, Primorsky Krai Russia (2008)
Specimen size: 9 × 7.8 × 7 cm = 3.54” × 3.07” × 2.76”

EB58E9: Quartz prase with Andradite

The crystal is large, very aerial, has good color and brilliance. It stands out from the matrix, and has the typical widening for prase Quartz from this locality. The matrix has other small prase Quartz crystals as well as small Andradite crystals.
Sinerechenskoe, Primorsky Krai Russia (1999)
Specimen size: 10 × 6 × 5.5 cm = 3.94” × 2.36” × 2.17”

Main crystal size: 7 × 2 cm = 2.76” × 0.79”

VA16J1: Quartz replacing fosil

Columnar and crested growths of small, white, very bright crystals. Crystallization has occurred on the interior of an empty fossil sponge which made the cavity where the geode formed.
Sedano, Valle de Sedano, Comarca de Páramos, Burgos, Castile and León Spain
Specimen size: 8.5 × 8.3 × 5.6 cm = 3.35” × 3.27” × 2.20”

EB16AL8: Quartz scepter (variety amethyst)

Scepter growth of a transparent Quartz crystal very lustrous, with phantom growths, abundant inclusions and a very vivid amethyst color with smoky colored areas distributed irregularly in the crystal. Of the best possible quality for the locality, which is not very well known.
Chibuku Mine, Zambezi Valley, Mashonaland West Zimbabwe (2018)
Specimen size: 4.2 × 1.4 × 1.2 cm = 1.65” × 0.55” × 0.47”

Main crystal size: 2.6 × 1.4 cm = 1.02” × 0.55”

EG66AL8: Quartz scepter (variety amethyst)

Scepter growth of a transparent Quartz crystal very shiny, with phantom growths, abundant inclusions and a very vivid color, between dominant smoky tones and amethyst violet irregularly distributed in the crystal. On a doubly terminated crystal of colorless Quartz with abundant inclusions. Of the best possible quality for the locality, which is not very well known.
Chibuku Mine, Zambezi Valley, Mashonaland West Zimbabwe (2018)
Specimen size: 7.4 × 2.1 × 1.4 cm = 2.91” × 0.83” × 0.55”

ED66AL8: Quartz scepter (variety amethyst)

Scepter growth of a transparent Quartz crystal very shiny, with phantom growths, abundant inclusions and a very vivid amethyst color with smoky colored areas distributed irregularly in the crystal. Of the best possible quality for the locality, which is not very well known.
This specimen has been published on the Mineralogical Record´s web page, in the ‘What's New’ section, report 57, August 30, 2020 edition, page 4
Chibuku Mine, Zambezi Valley, Mashonaland West Zimbabwe (2018)
Specimen size: 4.7 × 1.7 × 1.6 cm = 1.85” × 0.67” × 0.63”

Main crystal size: 2.9 × 1.7 cm = 1.14” × 0.67”

EE76AL8: Quartz scepter (variety amethyst)

Scepter growth of a dominant Quartz crystal with a smaller doubly terminated lateral crystal, both transparent. Very lustrous, with phantom growths, abundant inclusions and a very vivid color distributed unevenly in the crystal. Of the best possible quality for the locality, which is not very well known.
Chibuku Mine, Zambezi Valley, Mashonaland West Zimbabwe (2018)
Specimen size: 6 × 2.2 × 1.7 cm = 2.36” × 0.87” × 0.67”

XM2230RTF: Quartz scepter (variety amethyst)

Triplet of Quartz (amethyst variety) scepter crystals on Quartz (smoky variety) crystals with well-defined faces and edges and an intense amethyst hue on the crystal termination. A curiosity, since the specimen comes from an abandoned locality that has now been converted into an amusement park.
Eonyang, Ulju-gun, Ulsan Metropolitan City South Korea
Specimen size: 3.4 × 2.5 × 2 cm = 1.34” × 0.98” × 0.79”

Main crystal size: 2.6 × 1.6 cm = 1.02” × 0.63”

EA6AL8: Quartz scepter (variety smoky and amethyst)

EC36AL8: Quartz scepter (variety smoky and amethyst)

Scepter growth of a transparent Quartz crystal with good luster and phantom growths, abundant inclusions and a very vivid amethyst color with smoky colored areas distributed irregularly in the crystal. Of the best possible quality for the locality, which is not very well known.
Chibuku Mine, Zambezi Valley, Mashonaland West Zimbabwe (2018)
Specimen size: 4.7 × 1.8 × 1.5 cm = 1.85” × 0.71” × 0.59”

Main crystal size: 2.3 × 1.8 cm = 0.91” × 0.71”

EF76AL8: Quartz scepter (variety smoky and amethyst)

Scepter growth of a transparent Quartz crystal with great luster and phantom growths, abundant inclusions and a very vivid color between dominant smoky tones and amethyst violet irregularly distributed in the crystal. Of the best possible quality for the locality, which is not very well known.
Chibuku Mine, Zambezi Valley, Mashonaland West Zimbabwe (2018)
Specimen size: 4.7 × 2 × 1.6 cm = 1.85” × 0.79” × 0.63”

EH97AL8: Quartz scepter (variety smoky and amethyst)

Scepter growth of a transparent Quartz crysta very lustrous, with phantom growths, abundant inclusions and a very vivid and deep amethyst colo with smoky areas distributed irregularly in the crystal. Of the best possible quality for the locality, which is not very well known.
Chibuku Mine, Zambezi Valley, Mashonaland West Zimbabwe (2018)
Specimen size: 8.3 × 2.8 × 2.6 cm = 3.27” × 1.10” × 1.02”

Main crystal size: 6 × 2.8 cm = 2.36” × 1.10”

RE86R0: Quartz with Actinolite

Doubly terminated crystal that has one of its terminations single and the opposite polycrystalline. The sample shows curious naturally corroded areas on most of its faces. In addition, a small ball of Actinolite, outside and inside the Quartz. The locality is an European classic.
Bristenstock Mountain, Amsteg, Silenen, Reuss Valley, Uri Switzerland
Specimen size: 8 × 4.3 × 3.8 cm = 3.15” × 1.69” × 1.50”

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