• Results for
    • Feldspar
  • (30)
Albite, plagioclase feldspar mineral specimen on white background - Philippe Clement
01554957
Philippe Clement / Albite, plagioclase feldspar mineral specimen on white background
Amazonite / Amazon stone specimen, green variety of microcline feldspar on white background - Philippe Clement
01554952
Philippe Clement / Amazonite / Amazon stone specimen, green variety of microcline feldspar on white background
Porphyry rock polished by abrasion in river with feldspar clasts in mafic matrix. from Montana. - John Cancalosi
01548753
John Cancalosi / Porphyry rock polished by abrasion in river with feldspar clasts in mafic matrix. from Montana.
Feldspar porphyry in mafic matrix, Arizona - John Cancalosi
01548738
John Cancalosi / Feldspar porphyry in mafic matrix, Arizona
Porphyry, feldspar mega-crysts in mafic matrix,  'Leopard  rock', Montana, USA. - John Cancalosi
01548730
John Cancalosi / Porphyry, feldspar mega-crysts in mafic matrix, 'Leopard rock', Montana, USA.
Feldspar crystals, Orthoclase, or orthoclase feldspar (endmember formula KAlSi3O8), a tectosilicate mineral which forms igneous rock, Montana, USA - John Cancalosi
01548709
John Cancalosi / Feldspar crystals, Orthoclase, or orthoclase feldspar (endmember formula KAlSi3O8), a tectosilicate mineral which forms igneous rock, Montana, USA
Labradorite, feldspar tectosilicate, Madagascar - John Cancalosi
01548693
John Cancalosi / Labradorite, feldspar tectosilicate, Madagascar
Sanidine, high temperature form of potassium feldspar,  K(AlSi3O8), from near Beaverdell, British Columbia, Canada - John Cancalosi
01513345
John Cancalosi / Sanidine, high temperature form of potassium feldspar, K(AlSi3O8), from near Beaverdell, British Columbia, Canada
Sanidine, high temperature form of potassium feldspar,  K(AlSi3O8), from near Beaverdell, British Columbia, Canada - John Cancalosi
01513344
John Cancalosi / Sanidine, high temperature form of potassium feldspar, K(AlSi3O8), from near Beaverdell, British Columbia, Canada
Arkose, a sedimentary rock containing at least 25% feldspar, Ravalli County, Montana, USA. - John Cancalosi
01448089
John Cancalosi / Arkose, a sedimentary rock containing at least 25% feldspar, Ravalli County, Montana, USA.
Nepheline Syenite a rock that consists largely of nepheline and alkali feldspar, Arkansas, USA - John Cancalosi
01448073
John Cancalosi / Nepheline Syenite a rock that consists largely of nepheline and alkali feldspar, Arkansas, USA
Arfvedsonite [Na][Na2][(Fe2+)4Fe3+][(OH)2|Si8O22] and Feldspar KAlSi3O8  NaAlSi3O8  CaAl2Si2O8, from Zomba, Malawi - John Cancalosi
01448063
John Cancalosi / Arfvedsonite [Na][Na2][(Fe2+)4Fe3+][(OH)2|Si8O22] and Feldspar KAlSi3O8 NaAlSi3O8 CaAl2Si2O8, from Zomba, Malawi
Feldspar puesdomorph Scapolite. Sample from Ontario, Canada. - John Cancalosi
01346181
John Cancalosi / Feldspar puesdomorph Scapolite. Sample from Ontario, Canada.
Trachyte is an igneous rock composed of potassium feldspar, minor plagioclase feldspar, and accessory hornblende. - Visuals Unlimited
01338395
Visuals Unlimited / Trachyte is an igneous rock composed of potassium feldspar, minor plagioclase feldspar, and accessory hornblende.
Rhyolite is a light coloured volcanic igneous rock consisting of micro-crystalline potassium feldspar, quartz, and minor accessory minerals. - Visuals Unlimited
01338393
Visuals Unlimited / Rhyolite is a light coloured volcanic igneous rock consisting of micro-crystalline potassium feldspar, quartz, and minor accessory minerals.
Granite is a crystalline igneous rock consisting of potassium feldspar and quartz with hornblende and mica as common accessory minerals. - Visuals Unlimited
01338390
Visuals Unlimited / Granite is a crystalline igneous rock consisting of potassium feldspar and quartz with hornblende and mica as common accessory minerals.
Basalt Porphyry is an igneous rock containing feldspar crystals in an aphanitic groundmass of plagioclase feldspar and hornblende. - Visuals Unlimited
01338387
Visuals Unlimited / Basalt Porphyry is an igneous rock containing feldspar crystals in an aphanitic groundmass of plagioclase feldspar and hornblende.
Andesite is a light colored volcanic igneous rock consisting of plagioclase feldspar and hornblende, biotite or augite. - Visuals Unlimited
01338384
Visuals Unlimited / Andesite is a light colored volcanic igneous rock consisting of plagioclase feldspar and hornblende, biotite or augite.
Red Feldspar - Visuals Unlimited
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Visuals Unlimited / Red Feldspar
Amazonite, a variety of microcline feldspar (potassium aluminium silicate). Feldspars are the principal constituents of igneous and plutonic rocks, among the most common minerals on Earth. Teller Coun... - John Cancalosi
01324941
John Cancalosi / Amazonite, a variety of microcline feldspar (potassium aluminium silicate). Feldspars are the principal constituents of igneous and plutonic rocks, among the most common minerals on Earth. Teller Coun...
Microcline, potassium feldspar, Bedford, Ontario, Canada. - Visuals Unlimited
01321196
Visuals Unlimited / Microcline, potassium feldspar, Bedford, Ontario, Canada.
Trachyte porphyry Potassium feldspar crystals and microcrystalline ground mass. The texture implies a two stage cooling history. Ontario, Canada - Visuals Unlimited
01321184
Visuals Unlimited / Trachyte porphyry Potassium feldspar crystals and microcrystalline ground mass. The texture implies a two stage cooling history. Ontario, Canada
Feldspar - Visuals Unlimited
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Visuals Unlimited / Feldspar
Amazon Stone or Amazonite is a green variety of Microcline Feldspar. - Visuals Unlimited
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Visuals Unlimited / Amazon Stone or Amazonite is a green variety of Microcline Feldspar.
Microcline feldspar (KAlSi3O8) and Quartz. Papachacra, Catamarca, Argentina - John Cancalosi
01320425
John Cancalosi / Microcline feldspar (KAlSi3O8) and Quartz. Papachacra, Catamarca, Argentina
Spessartine Garnet (Mn3Al2Si3O12) with Smoky Quartz (SiO2) (single crystal) and Feldspar (pink), from Fugian Province, China. Used primarily as a gemstone and as a collector's specimen - John Cancalosi
01318820
John Cancalosi / Spessartine Garnet (Mn3Al2Si3O12) with Smoky Quartz (SiO2) (single crystal) and Feldspar (pink), from Fugian Province, China. Used primarily as a gemstone and as a collector's specimen
Feldspar - Visuals Unlimited
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Visuals Unlimited / Feldspar
Feldspar - Visuals Unlimited
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Visuals Unlimited / Feldspar
Moh's Hardness Scale: From left to right - Talc, Gypsum, Calcite, Fluorite, Apatite, Feldspar, Quartz, Beryl, and Corundum. - Visuals Unlimited
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Visuals Unlimited / Moh's Hardness Scale: From left to right - Talc, Gypsum, Calcite, Fluorite, Apatite, Feldspar, Quartz, Beryl, and Corundum.
Anorthite, a Plagioclase Feldspar, calcium aluminum silicate. - Visuals Unlimited
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Visuals Unlimited / Anorthite, a Plagioclase Feldspar, calcium aluminum silicate.