Tom Loomis's Image Gallery

Tom Loomis's Image Gallery
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Images from Tom Loomis

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Tom Loomis's Image Gallery With 476 Images

Fornacite Image

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Fornacite: Pb2Cu(CrO4)(AsO4)(OH)

Comments: Emerald green platy crystals to 0.75mm on a pink to white, siliceous matrix.
Location: Lone Star mine, Copperopolis, Yavapai County, Arizona. Scale: Picture size 1.4 cm.
© Tom Loomis / Dakota Matrix

Fornacite Image

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Fornacite: Pb2Cu(CrO4)(AsO4)(OH)

Comments: Emerald green platy crystals to 0.75mm on a pink to white, siliceous matrix.
Location: Lone Star mine, Copperopolis, Yavapai County, Arizona. Scale: Picture size 1.4 cm.
© Tom Loomis / Dakota Matrix

Franciscanite-III Image

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Franciscanite-III: Mn++6V+++++2Si2(O,OH)14

Comments: Dark reddish brown large franciscanite grains to 1.5cm in tan-colored gageite matrix.
Location: Pennsylvania mine, Santa Clara Co., California, USA. Scale: 5.5 x 4 x 3cm.
© Tom Loomis / Dakota Matrix

Franciscanite-III Image

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Franciscanite-III: Mn++6V+++++2Si2(O,OH)14

Comments: Dark reddish brown large franciscanite grains to 1.5cm in tan-colored gageite matrix.
Location: Pennsylvania mine, Santa Clara Co., California, USA. Scale: 5.5 x 4 x 3cm.
© Tom Loomis / Dakota Matrix

Francisite Image

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Francisite: Cu3Bi(SeO3)2O2Cl

Comments: Fine acicular crystals of green francisite to 0.1mm on matrix.
Location: Iron Monarch iron mine, Iron Knob, South Australia, Australia. Scale: Picture size 1.5 cm.
© Tom Loomis / Dakota Matrix

Francisite Image

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Francisite: Cu3Bi(SeO3)2O2Cl

Comments: Fine acicular crystals of green francisite to 0.1mm on matrix.
Location: Iron Monarch iron mine, Iron Knob, South Australia, Australia. Scale: Picture size 1.5 cm.
© Tom Loomis / Dakota Matrix

Gabrielsonite Image

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Gabrielsonite: PbFe++(AsO4)(OH)

Comments: Jet black, lustrous crystal grain, showing no faces, fractured to about 0.75mm with white pectolite-hematite matrix.
Location: Langban, Varmland, Sweden. Scale: 2.5 x 1.5 x 1.5cm.
© Tom Loomis / Dakota Matrix

Gabrielsonite Image

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Gabrielsonite: PbFe++(AsO4)(OH)

Comments: Jet black, lustrous crystal grain, showing no faces, fractured to about 0.75mm with white pectolite-hematite matrix.
Location: Langban, Varmland, Sweden. Scale: 2.5 x 1.5 x 1.5cm.
© Tom Loomis / Dakota Matrix

Gallite Image

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Gallite: CuGaS2

Comments: A mixture of massive high grade ore with grains of gallite (gray) occuring with germanite and renierite. Most of what can be seen is the renierite, which has reddish and purple iridescence.
Location: Tsumeb, Namibia. Scale: Picture size 1 cm.
© Tom Loomis / Dakota Matrix

Gallite Image

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Gallite: CuGaS2

Comments: A mixture of massive high grade ore with grains of gallite (gray) occuring with germanite and renierite. Most of what can be seen is the renierite, which has reddish and purple iridescence.
Location: Tsumeb, Namibia. Scale: Picture size 1 cm.
© Tom Loomis / Dakota Matrix

Geffroyite Image

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Geffroyite: (Ag,Cu,Fe)9(Se,S)8

Comments: Silvery-gray grains of geffroyite to <0.5mm embedded in tan barite matrix.
Location: Moctezuma mine, Moctezuma, Sonora, Mexcio. Scale: Overall: 3 x 2 x 2 cm.
© Tom Loomis / Dakota Matrix

Geffroyite Image

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Geffroyite: (Ag,Cu,Fe)9(Se,S)8

Comments: Silvery-gray grains of geffroyite to <0.5mm embedded in tan barite matrix.
Location: Moctezuma mine, Moctezuma, Sonora, Mexcio. Scale: Overall: 3 x 2 x 2 cm.
© Tom Loomis / Dakota Matrix

Gilalite Image

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Gilalite: Cu5Si6O17·7(H2O)

Comments: Green spherical crystals of gilalite to 0.3mm in grape-like bunches.
Location: Christmas mine, Gila Co., Arizona, USA. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Gilalite Image

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Gilalite: Cu5Si6O17·7(H2O)

Comments: Green spherical crystals of gilalite to 0.3mm in grape-like bunches.
Location: Christmas mine, Gila Co., Arizona, USA. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Gorceixite Image

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Gorceixite: BaAl3(PO4)(PO3OH)(OH)6

Comments: Translucent, pseudohexagonal crystal of groceixite in matrix.
Location: Rapid Creek, Yukon, Canada. Scale: Crystal Size 3 mm.
© Tom Loomis / Dakota Matrix

Gorceixite Image

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Gorceixite: BaAl3(PO4)(PO3OH)(OH)6

Comments: Translucent, pseudohexagonal crystal of groceixite in matrix.
Location: Rapid Creek, Yukon, Canada. Scale: Crystal Size 3 mm.
© Tom Loomis / Dakota Matrix

Guanacoite Image

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Guanacoite: (Cu,Mg)2Mg2(Mg,Cu)(OH)4(H2O)4(AsO4)2

Comments: Deep blue, bladed, glassy crystals of guanacoite to 0.75mm lining vugs of arhbarite..
Location: El Guanaco Mine, Guanaco, Taltal, Antofagasta Province, Chile. Scale: Picture Size 5mm.
© Tom Loomis / Dakota Matrix

Guanacoite Image

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Guanacoite: (Cu,Mg)2Mg2(Mg,Cu)(OH)4(H2O)4(AsO4)2

Comments: Deep blue, bladed, glassy crystals of guanacoite to 0.75mm lining vugs of arhbarite..
Location: El Guanaco Mine, Guanaco, Taltal, Antofagasta Province, Chile. Scale: Picture Size 5mm.
© Tom Loomis / Dakota Matrix

Guarinoite Image

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Guarinoite: (Zn,Co,Ni)6(SO4)(OH,Cl)10·5(H2O)

Comments: Pale pink microcrystalline crust of guarinoite on matrix.
Location: Cap Garonne mine, Var, France. Scale: Thumbnail.
© Tom Loomis / Dakota Matrix

Guarinoite Image

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Guarinoite: (Zn,Co,Ni)6(SO4)(OH,Cl)10·5(H2O)

Comments: Pale pink microcrystalline crust of guarinoite on matrix.
Location: Cap Garonne mine, Var, France. Scale: Thumbnail.
© Tom Loomis / Dakota Matrix
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