Quartz (gwindel) - Mineral specimens search results

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Mineral specimens search results for [ Quartz (gwindel) ]

Polycrystalline parallel growth with a very well marked "gwindel". The crystal is transparent, bright and shows a very uniform clear smoky color.
Mont Blanc Massif, Chamonix, Haute-Savoie, Auvergne-Rhône-Alpes France (2009)
Specimen size: 5.9 × 4.6 × 2.5 cm = 2.32” × 1.81” × 0.98”
Price: [SOLD]

RA50R0: Quartz (variety gwindel) with Chlorite inclusions

Doubly terminated, partially chloritized, crystal with parallel polycrystalline terminations. The twisting (gwindel) of the crystal is especially evident on one of the main edges.
Binn Valley (Binntal), Wallis (Valais) Switzerland (±1948)
Specimen size: 12.7 × 6.2 × 3.3 cm = 5.00” × 2.44” × 1.30”
Price: [SOLD]

CXH67AP9: Quartz (variety smoky and gwindel)

Very aerial growth of Quartz crystals (smoky variety) with parallel growths and very marked gwindel, transparent, with good luster and soft smoky tones. The specimen comes from Carles Curto's collection of duplicates (number 1982.12) whose label and computer file we will send to the buyer.
Val Giuv, Tujetsch (Tavetsch), Vorderrhein Valley, Grischun (Grisons; Graubünden) Switzerland (±1982)
Specimen size: 3.7 × 3.4 × 1.3 cm = 1.46” × 1.34” × 0.51”
Price: [SOLD]

RK37F8: Quartz (variety smoky and gwindel)

A doubly terminated, slightly curved, smoky, very transparent gwindel. The special thing is that, apart from its perfection, it is on a matrix on doubly terminated, but not gwindel, Quartz. This floater was bought from Kaspar Nelly (Switzerland) in March 1948.
Etzlital, Maderanertal, Silenen, Uri Switzerland (±1948)
Specimen size: 4.8 × 4.4 × 3 cm = 1.89” × 1.73” × 1.18”

Main crystal size: 3.8 × 2.9 cm = 1.50” × 1.14”
Price: [SOLD]

RL96H9: Quartz (variety smoky and gwindel)

Some groups formed by subparallel growths of prismatic crystals are referred to as gwindels. In this one the smoky color is not deep but the crystals are clear and bright. The locality is a classic for an Alpine gwindel.
Göscheneralp, Göschenen Valley, Göschenen, Reuss Valley, Uri Switzerland
Specimen size: 6.5 × 4.5 × 6.8 cm = 2.56” × 1.77” × 2.68”
Price: [SOLD]

RV46H8: Quartz (variety smoky and gwindel)

A classic Alpine gwindel, Swiss in this case. The color is deep smoky and it is enhanced by the extreme transparency and luster of the sample. It is free of damage because the lower side is a neat contact.
Val Giuv, Tujetsch (Tavetsch), Vorderrhein Valley, Grischun (Grisons; Graubünden) Switzerland (±1980)
Specimen size: 3.9 × 3.9 × 1.5 cm = 1.54” × 1.54” × 0.59”
Price: [SOLD]

TXA56AP9: Quartz (variety smoky and gwindel) with Chlorite

Very aerial growth of Quartz crystals (smoky variety) with parallel growths and very distinct gwindel, transparent, with good luster and pale smoky tones, and with Chlorite inclusions. A monumental piece of one of the alpine vein classics: the gwindel variety of Quartz
Glacier de l'Argentière, Mont Blanc Massif, Chamonix, Haute-Savoie, Auvergne-Rhône-Alpes France
Specimen size: 11.3 × 10.6 × 7.5 cm = 4.45” × 4.17” × 2.95”
Price: [SOLD]

RC47H7: Quartz (variety smoky and gwindel) with Chlorite

Parallel aggregate with a slightly twisting (gwindel) The faces of the prism are neat and bright; meanwhile the rhombohedron is rough and matte due to Chlorite inclusions. The specimen entered the Folch collection through an exchange in 1947.
Drum Tobel, Sedrun, Tujetsch (Tavetsch), Grischun (Grisons; Graubünden) Switzerland (±1940)
Specimen size: 5.3 × 5.2 × 2.7 cm = 2.09” × 2.05” × 1.06”
Price: [SOLD]

RB37Z4: Quartz (variety smoky and gwindel) with Chlorite

Group of deep smoky transparent crystals with a small matrix and microcrystalline Chlorite inclusions. The aggregate shows parallel growths and a very well defined "gwindel" bend.
Ritzlihorn, Guttannen, Hasli Valley, Bern, Ritzlihorn, Guttannen, Hasli Valley, Bern Switzerland (±1948)
Specimen size: 6.8 × 5 × 2.8 cm = 2.68” × 1.97” × 1.10”
Price: [SOLD]

EA50L5: Smoky Quartz Gwindel

Parallel growth of really transparent and deep smoky color Quartz crystals. The “gwindel” structure is easily seen. The specimen base is totally recrystallized, up to the point to preserve the full transparency.
The specimen is with the original label from the Bonisoli collection (Torino, Italy). We will send the label to the buyer.
Glacier de l'Argentière, Mont Blanc Massif, Chamonix, Haute-Savoie, Auvergne-Rhône-Alpes France (±1985)
Specimen size: 11 × 6.8 × 3.7 cm = 4.33” × 2.68” × 1.46”

Main crystal size: 7.1 × 3.6 cm = 2.80” × 1.42”
Price: [SOLD]

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