Mineralo
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Subduction through the mantleA few days ago I described the “Wadati-Benioff zone” as one
Subduction through the mantleA few days ago I described the “Wadati-Benioff zone” as one
vugnasmineralblog:Siderite, AugeliteRapid Creek, Dawson Mining District, Yukon Territory, Canada
vugnasmineralblog:Siderite, AugeliteRapid Creek, Dawson Mining District, Yukon Territory, Canada
rockon-ro:GYPSUM (Calcium Sulfate) crystals, known as “desert rose”, from Ahumada Playa,
rockon-ro:GYPSUM (Calcium Sulfate) crystals, known as “desert rose”, from Ahumada Playa,
anitanh:Popular Mineralogy; Comprising a Familiar Account of Minerals and Their Uses by Henry Sowerb
anitanh:Popular Mineralogy; Comprising a Familiar Account of Minerals and Their Uses by Henry Sowerb
Wulfenite, MimetiteSan Francisco Mine, Cerro Prieto, Cucurpe, Sonora, Mexico
Wulfenite, MimetiteSan Francisco Mine, Cerro Prieto, Cucurpe, Sonora, Mexico
Flame Aura Quartz
Flame Aura Quartz
Yellow Jasper
Yellow Jasper
cc-da-wolf:Beautiful natural facets of a Sweetwater Mine calcite crystal.
cc-da-wolf:Beautiful natural facets of a Sweetwater Mine calcite crystal.
Diamond octahedronThis spectacular single crystal was recently mined at the Rio Tinto Company’
Diamond octahedronThis spectacular single crystal was recently mined at the Rio Tinto Company’
Diamond mining in BrazilThe diamond mines in Brazil are quite interesting. Diamonds are carried to E
Diamond mining in BrazilThe diamond mines in Brazil are quite interesting. Diamonds are carried to E
hematitehearts:Diamond in KimberliteLocality: Udachnaya-Vostochnaya Pipe, Daldyn, Eastern Siber
hematitehearts:Diamond in KimberliteLocality: Udachnaya-Vostochnaya Pipe, Daldyn, Eastern Siber
Don’t have a SeatHot springs commonly form either on silicate rocks, like most of the crust, o
Don’t have a SeatHot springs commonly form either on silicate rocks, like most of the crust, o
veggeologist:Myrmekitic textureAn intergrowth texture created when plagioclase feldspar and quartz g
veggeologist:Myrmekitic textureAn intergrowth texture created when plagioclase feldspar and quartz g
gloomywormwood:My petrography course is over.
gloomywormwood:My petrography course is over.
HeulanditeWhile strictly the name of a family of minerals, a sub class of the zeolite series that pr
HeulanditeWhile strictly the name of a family of minerals, a sub class of the zeolite series that pr
Thomsonite on HeulanditeWe have here two minerals of the zeolite family that forms when heated hydro
Thomsonite on HeulanditeWe have here two minerals of the zeolite family that forms when heated hydro
Cavansite These stunning greens are deposited in cavities within basaltic and andesitic lavas after
Cavansite These stunning greens are deposited in cavities within basaltic and andesitic lavas after
optical-mineralogy: The plagioclase in this thin section has polysynthetic twinning. The orthopyroxe
optical-mineralogy: The plagioclase in this thin section has polysynthetic twinning. The orthopyroxe
emeraldcityminerals:A jumble of bright-red, lustrous, gemmy vanadinite (Pb5(VO4)3Cl) crystals on per
emeraldcityminerals:A jumble of bright-red, lustrous, gemmy vanadinite (Pb5(VO4)3Cl) crystals on per
Calcite coating Mottramite stalactiteMottramite is part of what is known as a solid solution series,
Calcite coating Mottramite stalactiteMottramite is part of what is known as a solid solution series,
Merelaniite: From muck to brassThe Merelani Hills of Tanzania have revealed the latest entry to the
Merelaniite: From muck to brassThe Merelani Hills of Tanzania have revealed the latest entry to the
chaosophia218:Antique illustration of Crystals, 1886.
chaosophia218:Antique illustration of Crystals, 1886.
Staurolite, (Fe2+,Mg, Zn)1,5-2Al9(SiO4)4O6(OH,O)2, Ilmenite, Fe2+TiO3, Magnetite, Fe2+Fe3+
Staurolite, (Fe2+,Mg, Zn)1,5-2Al9(SiO4)4O6(OH,O)2, Ilmenite, Fe2+TiO3, Magnetite, Fe2+Fe3+
JacobsiteNamed in 1869 after the mine in Finland where it was first identified (a place known as the
JacobsiteNamed in 1869 after the mine in Finland where it was first identified (a place known as the
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