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Volker Betz's Photo Gallery

U74-JHDQuartz (Var: Amethyst)

Monte Rusta, Cinto Euganeo, Euganean Hills, Padova Province, Veneto, Italy

Field of View: 3.5 mm

Deep violet amethyst crystals in a vug of trachyte.
Copyright: © Volker Betz (2019)      Photo ID: 961120     Uploaded by: Volker Betz   View Count: 41   Approval status: Public galleries    Type: Photo - 3456 x 4861 pixels (16.8 Mpix)

1TN-MQ4Faujasite

Limberg Quarries, Sasbach am Kaiserstuhl, Emmendingen, Baden-Württemberg, Germany

Largest Crystal Size: 0.7 mm

Rare uncoated faujasite crystal as twin after the spinell-law.

Mindat.org Photo of the Day - 4th Jul 2019
Copyright: © Volker Betz (2019)      Photo ID: 960185     Uploaded by: Volker Betz   View Count: 334   Approval status: Public galleries    Type: Photo - 3456 x 3247 pixels (11.2 Mpix)

TX2-AYCMuscovite

Pegmatite outcrops, Hering, Otzberg, Odenwald, Hesse, Germany

Field of View: 10 mm

Thin (0.3 mm) cleaving part of a muscovite plate showing inclusions of Fe/Mn-oxides.
Art of nature.
Copyright: © Volker Betz (2019)      Photo ID: 959366     Uploaded by: Volker Betz   View Count: 24   Approval status: Public galleries    Type: Photo - 5018 x 3762 pixels (18.9 Mpix)

7HT-QJ4Analcime

Multiple photos available
Katraj, Pune District, Maharashtra, India

Largest Crystal Size: 8 mm

Translucent analcime crystal on rock matrix. Collected by Berthold Ottens.

Mindat.org Photo of the Day - 23rd Jun 2019
Copyright: © Volker Betz (2019)      Photo ID: 956907     Uploaded by: Volker Betz   View Count: 408   Approval status: Public galleries    Type: Photo - 2000 x 1707 pixels (3.4 Mpix)

8J8-4FCGmelinite, Natrolite

Road Cut SW, Avhellero, Larnaca District, Cyprus

Dimensions: 120 mm x 130 mm x 50 mm

Part of a rather large vug in altered pillow lava, covered with many small gmelinite and natrolite crystals. Zeolite collection of Volker Betz.
Copyright: © Volker Betz (2019)      Photo ID: 931690     Uploaded by: Volker Betz   View Count: 53   Approval status: Public galleries    Type: Photo - 3894 x 3880 pixels (15.1 Mpix)

ELJ-027Gobbinsite, Phillipsite, Chabazite-Na

Multiple photos available
Punta del Aguila, Playa Blanca, Yaiza, Lanzarote, Las Palmas Province, Canary Islands, Spain

Field of View: 25 mm

Gobbinsite as fibrous zonar fillling of an amygdale, intergrown with minor phillipsite with a surface of gobbinsite and phillipsite crystals.
Copyright: © Volker Betz (2019)      Photo ID: 929454     Uploaded by: Volker Betz   View Count: 96   Approval status: Public galleries    Type: Photo - 1915 x 2000 pixels (3.8 Mpix)

0HK-MN3Mesolite, Thomsonite-Ca, Stilbite subgroup

Multiple photos available
Lítlafelli, Eysturoy Island, Faroe Islands, Denmark

Dimensions: 40 mm x 50 mm x 25 mm

Collected in the 1970´s. Zeolite Collection of Volker Betz.
Copyright: © Volker Betz (2018)      Photo ID: 928104     Uploaded by: Volker Betz   View Count: 47   Approval status: Public galleries    Type: Photo - 4054 x 3600 pixels (14.6 Mpix)

C04-XJ8Natrolite

Diamond Island, Five Islands, Cumberland Co., Nova Scotia, Canada

Dimensions: 55 mm x 80 mm x 55 mm

Sprays of 4 cm natrolite crystals. By exchange from Ronnie van Dommelen. Zeolite collection of Volker Betz.
Copyright: © Volker Betz (2018)      Photo ID: 926347     Uploaded by: Volker Betz   View Count: 27   Approval status: Public galleries    Type: Photo - 2000 x 1333 pixels (2.7 Mpix)

GFA-XUUOffretite, Phillipsite, Faujasite, Chabazite

Bonacker quarry, Gedern, Wetteraukreis, Hesse, Germany

Field of View: 2 mm

This vug shows a combination of Faujasite (octahedrons), offretite (white lenses with clear inner zone), blue-gray spheres of phillipsite and a irregular ball of most likely chabazite. This kind of material was found around 1995 from Gerhard Braun. Zeolite collection of Volker Betz.
Copyright: © Volker Betz (2018)      Photo ID: 921983     Uploaded by: Volker Betz   View Count: 108   Approval status: Public galleries    Type: Photo - 4677 x 3328 pixels (15.6 Mpix)

HTM-L7YFluorapatite, Calcite, Hematite

Nuestra Señora del Carmen Mines, La Celia, Jumilla, Murcia, Spain

Field of View: 8 mm

Red fluorescent fluorapatite crystals (UV at 254 nm) with bue-white fluorescent calcite. Also present is hematite, not visible in the picture. Left picture shows the view in day light.

The fluoerscence of the Jumilla fluorapatite was first mentioned by:

Haberlandt, H.E.(1954): Lumineszenzuntersuchungen an Fluoriten und anderen Mineralien V. – Sitzungsberichte der Akademie der Wissenschaften mathematisch-naturwissenschaftliche Klasse – 163: 375 - 399.
Copyright: © Volker Betz (2018)      Photo ID: 911999     Uploaded by: Volker Betz   View Count: 35   Approval status: Public galleries    Type: Photo - 2000 x 1364 pixels (2.7 Mpix)
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