Jeff Weissman's Image Gallery

Jeff Weissman's Image Gallery
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Images from Jeff Weissman


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Jeff Weissman's Image Gallery With 1177 Images

Cebollite Image

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Cebollite: Ca5Al2(SiO4)3(OH)4

Comments: Green to white fibrous coating of cebollite on granular iron stained quartz.
Location: Cebola Creek, Gunnison County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Cejkaite Image

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Cejkaite: Na4(UO2)(CO3)3

Comments: Yellow chalky cejkaite masses on matrix.
Location: Svornost Mine, Jáchymov, Ostrov, Krusne Hory Mts (Erzgebirge), Bohemia, Czech Republic. Scale: Picture Size 0.5 cm.
© Jeff Weissman / Photographic Guide to Mineral Species

Celadonite Image

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Celadonite: K(Mg,Fe++)(Fe+++,Al)[Si4O10](OH)2

Comments: Greenish masses of celadonite filling vesicles in basaltic rock.
Location: Socorro County, New Mexico, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Celsian Image

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Celsian: BaAl2Si2O8  
Hendricksite: K(Zn,Mg,Mn)3Si3AlO10(OH)2

Comments: Gray massive celsian with dark red hendricksite.
Location: Franklin, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Cerotungstite-(Ce) Image

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Cerotungstite-(Ce): (Ce,REE)W2O6(OH)3  
Anthoinite: AlWO3(OH)3  
Ferberite: Fe++WO4

Comments: Yellow cerotungstite-(Ce), with black ferberite veins and whitish anthoinite.
Location: Bugarama, Rwanda. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Cesarolite Image

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Cesarolite: PbH2Mn++++3O8

Comments: Black to dark brown botryoidal masses of cesarolite in white calcite.
Location: Sidi-amor-ben-Salem, Tunisia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Cesbronite Image

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Cesbronite: Cu5(TeO3)2(OH)6·2(H2O)

Comments: Minute green spherical cesbronite on calcite.
Location: Mina La Oriental, Moctezuma, Sonora, Mexico. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Chabazite-K Image

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Chabazite-K: (K2,Ca,Na2,Mg)[Al2Si4O12]·6(H2O)

Comments: Minute colorless crystals of chabazite-K on matrix.
Location: Tyul'bnyunuai River Valley, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture Size 0.6 mm.
© Jeff Weissman / Photographic Guide to Mineral Species

Chaidamuite Image

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Chaidamuite: (Zn,Fe++)Fe+++(SO4)2(OH)·4(H2O)

Comments: Pale yellow earthy coatings of chaidamuite with brown limonite on friable matrix.
Location: Getchell Mine, Humboldt County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Chalcanthite Image

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Chalcanthite: CuSO4·5(H2O)

Comments: Fibrous columnar crystalline chalcanthite.
Location: Planet Mine, La Paz County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Chalcocite Image

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Chalcocite: Cu2S  
Eskolaite: Cr2O3

Comments: Green crystalline eskolaite on massive chalcocite.
Location: Lubelin, Poland. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Chalconatronite Image

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Chalconatronite: Na2Cu(CO3)2·3(H2O)

Comments: Crystalline crusts of blue chalconatronite on sandstone.
Location: Slick Rock, Egnar Area, San Miguel County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Challacolloite Image

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Challacolloite: KPb2Cl5

Comments: White to transparent challacolloite crystals on matrix.
Location: Eruption of 1855, Mount Vesuvius, Campania, Italy. Scale: See Image.
© Jeff Weissman / Photographic Guide to Mineral Species

Chamosite Image

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Chamosite: (Fe++,Mg,Fe+++)5Al(Si3Al)O10(OH,O)8

Comments: Dark green sectile massive chamosite.
Location: Jalgaon, Maharashtra, India. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Chaoite Image

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Chaoite: C

Comments: Dark masses of chaoite intermixed with graphite on rock shocked by meteorite impact.
Location: Ries Crater, Bopfingen, Bavaria, Baden-Wurttemberg. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Charoite Image

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Charoite: K5Ca8(Si6O15)2(Si2O7)Si4O9(OH)·3(H2O)  
Fedorite: KNa4Ca4(Al,Si)16O36(OH,F)4·6(H2O)

Comments: Tan crystalline platy fedorite in pale violet charoite.
Location: Murun, Republic of Sakha, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Charoite Image

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Charoite: K5Ca8(Si6O15)2(Si2O7)Si4O9(OH)·3(H2O)  
Tinaksite: K2Na(Ca,Mn++)2(Ti,Fe)O[Si7O18(OH)]

Comments: Yellow-brown prismatic tinaksite crystals in purple charoite with black aegirine.
Location: Murun, Aldan Uplift, Chara and Olekma Rivers, near Olekminsk, Republic of Sakha, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Charoite Image

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Charoite: K5Ca8(Si6O15)2(Si2O7)Si4O9(OH)·3(H2O)  
Tokkoite: K2Ca4[Si7O18(OH)](F,OH)

Comments: Yellow crystalline tokkoite intermixed with purple charoite (viewed cross-sectional to fiber direction).
Location: Murun, Aldan, Republic of Sakha, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Chayesite Image

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Chayesite: K(Mg,Fe++)4Fe+++(Si12O30)  
Merrihueite: (K,Na)2(Fe++,Mg)5Si12O30

Comments: A sharp, chemically zoned crystal of copper-brown merrihueite(?) (see Lapis-Magazine 4/2002 Page 38/39) overgrown on bluish chayesite.
Location: Basalt quarry, Pauliberg Mt., Kobersdorf, Oberpullendorf, Burgenland, Austria. Scale: Crystal Size 0.15 cm.
© Jeff Weissman / Photographic Guide to Mineral Species

Chelkarite Image

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Chelkarite: CaMgB2O4Cl2·7(H2O) (?)

Comments: Minute transparent nearly colorless microcrystals of chelkarite.
Location: Chelkar, Zapadno-Kazahstan, Kazakhstan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
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