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Marco Tomei's Mindat Home Page

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Marco Tomei's Mindat Home Page

Registered member since 18th Sep 2007

Marco Tomei has uploaded:
595 Mineral Photos
 

 

Favourite Photos

613-4GKK Feldspar (Var: Adularia) : KAlSi3O8, Beryl (Var: Aquamarine) : Be3Al2Si6O18

Shigar Valley, Skardu District, Baltistan, Gilgit-Baltistan, Pakistan

Dimensions: 6 cm x 5.5 cm x 4.5 cm

Very unusual and quite choice combination specimen. Partly gemmy lustrous sharply formed blocky colorless crystals of Adularia to 3.0 cm in size are studded across the top of a cluster of pale blue gemmy Aquamarine crystals. Minor Muscovite in association. There are small black needle-like crystals of Schorl within the Adularia crystals. Size: 6.0 x 5.5 x 4.5 cm. [Marco Tomei collection. Photo by Dan Weinrich]
Photo ID: 538393     Uploaded by: Marco Tomei   View Count: 52   Approval status: Public galleries    Type: Photo - 620 x 561 pixels (0.3 Mpix)

T2T-F90Elbaite : Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH), Quartz : SiO2

Stak Nala, Haramosh Mts., Skardu District, Baltistan, Gilgit-Baltistan, Pakistan

Two lustrous and translucent doubly-terminated crystals are attached to a big group of Quartz with a bit of Cleavelandite. In the back of the piece, two others smaller crystals. These crystals feature several colors ranging from a thin colorless zone at the termination, then a beautiful green color, then a very dark green color. At the opposite terminations, the classic pink color. The crystals measure 7 and 6 cm long, and to 2 cm across. [Marco Tomei collection & photo]
Photo ID: 425279     Uploaded by: Marco Tomei   View Count: 86   Approval status: Public galleries    Type: Photo - 2240 x 3027 pixels (6.8 Mpix)

K2H-MWCEpidote : {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)

Multiple photos available
Viù Valley, Lanzo Valleys, Torino Province, Piedmont, Italy

Dimensions: 2 cm x 1.3 cm x 1.3 cm

Fine glassy slightly translucent double terminated Epidote crystal measuring 2.0 x 1.3 x 1.3 cm in size is perched nicely upon a 2.5 x 2.0 x 1.8 cm matrix. Crystallized all around. Ex Wolfgang E. Henkel collection. [Marco Tomei collection & photo]
Photo ID: 410401     Uploaded by: Marco Tomei   View Count: 93   Approval status: Public galleries    Type: Photo - 2151 x 2265 pixels (4.9 Mpix)

CCX-79XK Feldspar (Var: Adularia) : KAlSi3O8, Quartz (Var: Smoky Quartz) : SiO2

Medel Valley - Cristallina Valley water tunnel, Medel Valley, Grischun, Switzerland

Translucent group of Adularia sharp crystals ("Mannenbach" twinned), surrounded by smoky Quartz on granitic matrix. Overallsize: cm 7 (wide) x 5; Adularia: cm 3 x 3. [Marco Tomei collection & photo]
Photo ID: 349897     Uploaded by: Marco Tomei   View Count: 445   Approval status: Public galleries    Type: Photo - 3173 x 2306 pixels (7.3 Mpix)

K16-HHEBeryl (Var: Aquamarine) : Be3Al2Si6O18

Multiple photos available
Shigar Valley, Skardu District, Baltistan, Gilgit-Baltistan, Pakistan

Nearly perfect specimen, a water-clear gem crystal up to cm 3 in lenght. Superb textbook form and luster, it shows a complex termination and deep color. Excellent balance with the Orthoclase/Albite matrix. Small black crystals, maybe Tantalite. [Marco Tomei collection & photo]
Photo ID: 348950     Uploaded by: Marco Tomei   View Count: 458   Approval status: Public galleries    Type: Photo - 1893 x 2287 pixels (4.3 Mpix)

5PU-7K1Spodumene (Var: Hiddenite) : LiAlSi2O6, Schorl : Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH), Quartz : SiO2

Mawi pegmatite, Nilaw-Kolum pegmatite field, Du Ab District, Nuristan Province, Afghanistan

A nice group consisting of a pale green gemmy Hiddenite crystal, measuring cm 4.2 long, attached to a quartz and schorl terminated crystal. Size: cm 5 x 3.3 x 2.3
[Marco Tomei collection & photo]
Photo ID: 331986     Uploaded by: Marco Tomei   View Count: 104   Approval status: Public galleries    Type: Photo - 1720 x 2219 pixels (3.8 Mpix)

H69-AVDTopaz : Al2(SiO4)(F,OH)2, Quartz : SiO2

Mimoso do Sul mine, Mimoso do Sul, Espírito Santo, Brazil

Here is
Photo ID: 297017     Uploaded by: Marco Tomei   View Count: 312   Approval status: Public galleries    Type: Photo - 2532 x 2360 pixels (6.0 Mpix)

3LW-TV9Tourmaline : A(D3)G6(T6O18)(BO3)3X3Z, Quartz : SiO2

Otjua Mine, Otjua Farm 37, Karibib District, Erongo Region, Namibia

This showy floater specimen consists of a gemmy, lustrous, doubly terminated polychrome Tourmaline crystal, aesthetically set on a smoky Quartz crystal with attached smaller Quartz and Tourmaline. All the crystals are biterminated. Crystal size: cm 6,1. (Marco Tomei collection & photo)
Photo ID: 266845     Uploaded by: Marco Tomei   View Count: 104   Approval status: Public galleries    Type: Photo - 3264 x 2448 pixels (8.0 Mpix)

Y0R-Y63Albite : NaAlSi3O8, Diopside : CaMgSi2O6

Alchuri, Shigar Valley, Skardu District, Baltistan, Gilgit-Baltistan, Pakistan

A contrasting binomial: colourless to white glassy Albite crystals set upon a
Photo ID: 263775     Uploaded by: Marco Tomei   View Count: 90   Approval status: User gallery only    Type: Photo - 2313 x 1604 pixels (3.7 Mpix)

KRG-GN2K Feldspar (Var: Adularia) : KAlSi3O8, Quartz (Var: Smoky Quartz) : SiO2

Grimsel pass, Grimsel area, Hasli Valley, Bern, Switzerland

On matrix, a lustrous group of Adularia crystals lies on a biterminated light smoky Quartz. The group of Adularia is cm 5; Quartz is cm 6. (Marco Tomei coll. & photo)
Photo ID: 262494     Uploaded by: Marco Tomei   View Count: 260   Approval status: Public galleries    Type: Photo - 2628 x 1802 pixels (4.7 Mpix)
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