Thomas Witzke's Image Gallery

Thomas Witzke's Image Gallery
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Images from Thomas Witzke


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Click on thumbnails for a larger image. Please be patient since some of these pages of thumbnail images take some time to load. These mineral photos are copyrighted by their owners and may not be used without permission.

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Thomas Witzke's Image Gallery With 518 Images

Decrespignyite-(Y) Image

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Decrespignyite-(Y): (Y,REE)4Cu(CO3)4Cl(OH)5·2(H2O)

Comments: Blue, rounded aggregates of decrespignyite-(Y) on matrix.
Location: Paratoo copper mine, Yunta, Olary Province, South Australia, Australia. Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

Delafossite Image

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Delafossite: Cu+Fe+++O2

Comments: Black crystals of delafossite on matrix.
Location: Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Denisovite Image

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Denisovite: (K,Na)Ca2Si3O8(F,OH)

Comments: Grayish-white fibrous denisovite.
Location: Eveslogchorr Mt , Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Denningite Image

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Denningite: (Mn,Zn)Te2O5  
Tellurite: TeO2

Comments: Vitreous colorless to very pale yellowish elongated crystals denningite with yellow tellurite.
Location: Bambolla Mine, Moctezuma, Mun. de Moctezuma, Sonora, Mexico. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Derbylite Image

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Derbylite: (Fe+++,Fe++,Ti)7Sb+++O13(OH)

Comments: Small black crystals of derbylite in matrix.
Location: Buca della Vena Mine, Stazzema (Ponte Stazzemese), Versilia, Apuan Alps, Lucca Province, Tuscany, Italy. Scale: Picture size 1.2 mm.
© Thomas Witzke / Abraxas-Verlag

Dickthomssenite Image

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Dickthomssenite: Mg(V+++++2O6)·7(H2O)

Comments: Yellowish white, prismatic crystals of dickthomssenite on matrix.
Location: Firefly-Pigmay Mine, La Sal Quadrangle, San Juan Co., Utah, USA. Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

Dimorphite Image

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Dimorphite: As4S3

Comments: Orange to yellow-orange crystals of dimorphite on matrix.
Location: Solfatara di Pozzuoli, Vesuvius, Naples, Naples province, Campania, Italy. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Dolerophanite Image

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Dolerophanite: Cu2(SO4)O  
Chalcanthite: CuSO4·5(H2O)  
Fedotovite: K2Cu++3(SO4)3O

Comments: Brown crystals of dolerophanite with blue chalcanthite and green fedotovite.
Location: Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Dufrenite Image

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Dufrenite: Fe++Fe+++4(PO4)3(OH)5·2(H2O)

Comments: Dark olive-greenish crystal of dufrenite on matrix.
Location: Rengersdorf, Görlitz, Oberlausitz, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Dumortierite Image

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Dumortierite: Al6.5-7(BO3)(SiO4)3(O,OH)3

Comments: Blue dumortierite in matrix.
Location: Hartmannsdorf, Chemnitz, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Duranusite Image

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Duranusite: As4S  
Realgar: AsS

Comments: Small black Duranusite in orange-red realgar matrix.
Location: Duranus, Alpes-Maritimes, Provence-Alpes-Côte d'Azur, France. Scale: Picture size 1.3 mm.
© Thomas Witzke / Abraxas-Verlag

Dypingite Image

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Dypingite: Mg5(CO3)4(OH)2·5(H2O)

Comments: White spherical aggregates of dypingite on matrix.
Location: Jeremias Glück Mine (Fairy Grotto), Garnsdorf, Saalfeld, Thuringia, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Edoylerite Image

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Edoylerite: Hg++3Cr++++++O4S2  
Cinnabar: HgS

Comments: Yellow prismatic crystals of edoylerite with red cinnabar.
Location: Clear Creek Claim (Clear Creek Mine), New Idria district, San Benito Co., California, USA. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Efremovite Image

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Efremovite: (NH4)2Mg2(SO4)3

Comments: White, massive efremovite. The mineral is hygroscopic and must be stored in a closed box.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Eglestonite Image

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Eglestonite: Hg6Cl3O(OH) (?)

Comments: Small yellow crystals and massive aggregates of eglestonite.
Location: Landsberg (Moschellandsberg), Obermoschel, Palatinate, Rhineland-Palatinate, Germany. Scale: Picture size 0.8 mm.
© Thomas Witzke / Abraxas-Verlag

Ellestadite-(OH) Image

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Ellestadite-(OH): Ca5(SiO4,SO4)3(OH,Cl,F)  
Yeelimite: Ca4Al6O12(SO4)

Comments: Ye'elimite and hydroxylellestadite intimately intergrown as a brownish aggregate in massive anhydrite.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Elpasolite Image

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Elpasolite: K2NaAlF6

Comments: Colorless crystal of elpasolite in matrix.
Location: Cetine di Cotorniano mine (Cetine mine), Rosia, Siena, Tuscany, Italy. Scale: Picture size 2.5 mm.
© Thomas Witzke / Abraxas-Verlag

Emmonsite Image

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Emmonsite: Fe+++2Te++++3O9·2(H2O)  
Schmitterite: (UO2)TeO3

Comments: Yellow schmitterite with green emmonsite.
Location: Moctezuma, Mun. de Moctezuma, Sonora, Mexico. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Ericaite Image

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Ericaite: (Fe++,Mg,Mn)3B7O13Cl

Comments: Cubic crystal ericaite.
Location: Bischofferode, Nordhausen, Erfurt district, Harz Mts, Thuringia, Germany. Scale: Crystal size 3.7 mm.
© Thomas Witzke / Abraxas-Verlag

Eriochalcite Image

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Eriochalcite: CuCl2·2(H2O)

Comments: Green grains of eriochalcite from the eruption of 1875, Vesuvius volcano.
Location: Vesuvius volcano. Vesuvius, Naples, Naples province, Campania, Italy. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag
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