Tom Loomis's Image Gallery

Dwornikite: (Ni,Fe++)SO4·(H2O)

Comments: Green earthy, powdery dwornikite on or replacing millerite as acicular crystals in 1cm vug.
Location: Lipovka Ni deposit, Rezh District, Central Urals, Urals Region, Russia. Scale: Picture size 1.2 cm.
© Tom Loomis / Dakota Matrix

Dwornikite: (Ni,Fe++)SO4·(H2O)

Comments: Green earthy, powdery dwornikite on or replacing millerite as acicular crystals in 1cm vug.
Location: Lipovka Ni deposit, Rezh District, Central Urals, Urals Region, Russia. Scale: Picture size 1.2 cm.
© Tom Loomis / Dakota Matrix

Edgarite: FeNb2S6

Comments: Silvery metallic edgarite crystal to about 0.3mm embedded between pegmatite grains.
Location: Khibiny Massif, Kola Peninsula, Murmanskaja Oblast, Northern Region, Russia. Scale: Picture size 2 mm.
© Tom Loomis / Dakota Matrix

Edgarite: FeNb2S6

Comments: Silvery metallic edgarite crystal to about 0.3mm embedded between pegmatite grains.
Location: Khibiny Massif, Kola Peninsula, Murmanskaja Oblast, Northern Region, Russia. Scale: Picture size 2 mm.
© Tom Loomis / Dakota Matrix

Ehrleite: Ca2ZnBe(PO4)2(PO3,OH)·4(H2O)  
Parascholzite: CaZn2(PO4)2·2(H2O)

Comments: White to clear, slender, 1-2mm, thin platy crystals of ehrleite associated with slender or thin,long bladed parascholzite. Type specimen courtesy of Museum of Geology, SD School of Mines.
Location: Tip Top mine, Custer County, South Dakota, USA. Scale: Crystal size 1-2 mm.
© Tom Loomis / Dakota Matrix

Ehrleite: Ca2ZnBe(PO4)2(PO3,OH)·4(H2O)  
Parascholzite: CaZn2(PO4)2·2(H2O)

Comments: White to clear, slender, 1-2mm, thin platy crystals of ehrleite associated with slender or thin,long bladed parascholzite. Type specimen courtesy of Museum of Geology, SD School of Mines.
Location: Tip Top mine, Custer County, South Dakota, USA. Scale: Crystal size 1-2 mm.
© Tom Loomis / Dakota Matrix

Emmonsite: Fe+++2Te++++3O9·2(H2O)

Comments: Green, mossy emmonsite on matrix..
Location: Moctezuma, Sonora, Mexico. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Emmonsite: Fe+++2Te++++3O9·2(H2O)

Comments: Green, mossy emmonsite on matrix..
Location: Moctezuma, Sonora, Mexico. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Eosphorite: MnAl(PO4)(OH)2·(H2O)  
Vivianite: Fe++3(PO4)2·8(H2O)

Comments: Bottle-green translucent vivianite crystal (2cm) associated with reddish, micro eosphorite crystals.
Location: Lavra do Énio pegmatite, Galiléia, Governador Valadares, Rio Doce, Minas Gerais, Brazil. Scale: 3.5 x 3 x 2 cm..
© Tom Loomis / Dakota Matrix

Eosphorite: MnAl(PO4)(OH)2·(H2O)  
Vivianite: Fe++3(PO4)2·8(H2O)

Comments: Bottle-green translucent vivianite crystal (2cm) associated with reddish, micro eosphorite crystals.
Location: Lavra do Énio pegmatite, Galiléia, Governador Valadares, Rio Doce, Minas Gerais, Brazil. Scale: 3.5 x 3 x 2 cm..
© Tom Loomis / Dakota Matrix

Ernstite: (Mn++1-xFe+++x)Al(PO4)(OH)2-xOx  
Schoonerite: Fe++2ZnMnFe+++(PO4)3(OH)2·9(H2O)

Comments: 1 mm honey brown, acicular, radial sprays of ernstite with light green fibrous schoonerite and apatite in siderite.
Location: White Cap mine, Pennington County., South Dakota. Scale: Picture size 3 mm.
© Tom Loomis / Dakota Matrix

Ernstite: (Mn++1-xFe+++x)Al(PO4)(OH)2-xOx  
Schoonerite: Fe++2ZnMnFe+++(PO4)3(OH)2·9(H2O)

Comments: 1 mm honey brown, acicular, radial sprays of ernstite with light green fibrous schoonerite and apatite in siderite.
Location: White Cap mine, Pennington County., South Dakota. Scale: Picture size 3 mm.
© Tom Loomis / Dakota Matrix

Eucryptite: LiAlSiO4

Comments: Fine grained, massive eucryptite. Fluorescent Red under SW.
Location: Midnight Owl mine, Yavapai Co., Arizona, USA. Scale: 6x4x4cm.
© Tom Loomis / Dakota Matrix

Eucryptite: LiAlSiO4

Comments: Fine grained, massive eucryptite. Fluorescent Red under SW.
Location: Midnight Owl mine, Yavapai Co., Arizona, USA. Scale: 6x4x4cm.
© Tom Loomis / Dakota Matrix

Eugenite: Ag9Hg2

Comments: Brassy, silvery eugenite alteration of leaf silver to 4mm.
Location: Elisa de Bordos mine, Copiapó, Atacama Province, Chile. Scale: Picture size 1 cm.
© Tom Loomis / Dakota Matrix

Eugenite: Ag9Hg2

Comments: Brassy, silvery eugenite alteration of leaf silver to 4mm.
Location: Elisa de Bordos mine, Copiapó, Atacama Province, Chile. Scale: Picture size 1 cm.
© Tom Loomis / Dakota Matrix

Eveite: Mn2(AsO4)(OH)  
Akrochordite: Mn4Mg(AsO4)2(OH)4·4(H2O)

Comments: Micro crystals (to about 0.75mm) of very pale grayish green eveite in tiny vug with light pink akrochordite. Co-Type specimen & type locality.
Location: Langban, Varmland, Sweden. Scale: 13x10x4 mm.
© Tom Loomis / Dakota Matrix

Eveite: Mn2(AsO4)(OH)  
Akrochordite: Mn4Mg(AsO4)2(OH)4·4(H2O)

Comments: Micro crystals (to about 0.75mm) of very pale grayish green eveite in tiny vug with light pink akrochordite. Co-Type specimen & type locality.
Location: Langban, Varmland, Sweden. Scale: 13x10x4 mm.
© Tom Loomis / Dakota Matrix

Fencooperite: Ba6Fe+++3Si8O23(CO3)2Cl3·H2O

Comments: Micro black needles of fencooperite in white sanbornite and pinkish gillespite matrix.
Location: Trumbull Peak, Sierra Nevada, Mariposa Co., California, USA. Scale: 2x2x2cm.
© Tom Loomis / Dakota Matrix

Fencooperite: Ba6Fe+++3Si8O23(CO3)2Cl3·H2O

Comments: Micro black needles of fencooperite in white sanbornite and pinkish gillespite matrix.
Location: Trumbull Peak, Sierra Nevada, Mariposa Co., California, USA. Scale: 2x2x2cm.
© Tom Loomis / Dakota Matrix