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Oligoclase feldspar Stock Photos and Images
RMH3WPY3–A sample of schist, a medium to coarse-grained, foliated, metamorphic rock typically containing muscovite, biotite, chlorite, and quartz. Feldspar, usually albite or oligoclase, also commonly occurs. Dated 20th Century
RFFYXX01–macro shooting of natural mineral stone - tumbled Sunstone (Heliolite, plagioclase feldspar, Oligoclase, orthoclase) gemstone is
RM2A3D38F–Skiddaw Granite - a medium-grained biotite granite comprising orthoclase, oligoclase, quartz and biotite
RM2AG1KHH–. Annual Reports of the Department of the Interior for the Fiscal Year Ended June 30, 1900--Twenty-First Annual Report of the United States Geological Society. crjsts showing striation (prol)ahly oligoclase) and a decomposedbisilicate. Other cases of the rock with phenocrystic pink (microcline)feldspar cutting the rocks of the rhyolite-andesite series occur on thespur south of White Kock, just above Dead wood, and on the ridge westof the head of Spruce Gulch. Near the sawmill north of Kirk Hilla gray rock containing much mica and 3ellow feldspars occurs asa dike cutting light-gray rhyolite whi
RMH3WPDE–A sample of schist, a medium to coarse-grained, foliated, metamorphic rock typically containing muscovite, biotite, chlorite, and quartz. Feldspar, usually albite or oligoclase, also commonly occurs. Dated 20th Century
RFFYXX06–macro shooting of natural mineral stone - polished Sunstone (Heliolite, plagioclase feldspar, Oligoclase, orthoclase) gemstone i
RFFF4Y97–macro shooting of natural mineral stone - Belomorite (moonstone, feldspar or oligoclase albit) rock isolated on white background
RMRFR2PW–. Carnegie Institution of Washington publication. 23456 8 FIG. 51.—Orthoclase (a); Amphibole (b); Feldspar (c).. Fio. 52.—Oligoclase (a) ; Orthoclase (*); Zircon (c); Glass (d).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
RFM8N42C–Macro shooting of natural gemstone. The raw mineral is albite, Brazil. Isolated object on a white background.
RFFF4Y98–macro shooting of natural mineral stone - Belomorite (moonstone, feldspar or oligoclase albit) gem stone isolated on white backg
RMRFWC2F–. Carnegie Institution of Washington publication. . i Fig. 25.—Microlites of oligoclase-andesine (AbgAnj). are instructive both on account of the exhibition of the habit of the feldspar crystals in these preparations and also as an evidence of the changes in habit during the short period of their growth. There are two types of microscopic crystals, one tabular, the other prismatic. These occur near one another intermingled in the glass. They are 0.03 mm. long and smaller. In many cases there appears to be a nucleus of feldspar within feldspar; in some of these there are also small, irregularly
RFMFP53B–Macro shooting of natural gemstone. The raw mineral is albite, Brazil. Isolated object on a white background.
RFFF50C8–macro shooting of natural mineral stone - two pieces of Belomorite (moonstone, feldspar or oligoclase albit) rock isolated on wh
RFKG6881–macro shooting of natural mineral rock specimen - polished moonstone gemstone on dark granite background
![. Bulletin of the British Museum (Natural History), Mineralogy. 86 ANORTHOCLASE FROM NIGERIA Chemical composition The chemical analysis of a hand-picked sample of the feldspar of the phenocrysts is given in Table i, together with the atomic ratios and unit cell contents, calculated KAISlO,. NaAISijOg 90 Co AljSijOg • Nigerian Anorthoclase • Other Anorthoclases " Oligoclase c Albite " Orthoclase * Orthoclase & Microcline o Unclassed The names are those given by the authors of the various analyses. Fig. I. on a basis of 32 oxygen atoms. The analysis shows that the feldspar falls we Stock Photo](https://c8.alamy.com/comp/RGK04R/bulletin-of-the-british-museum-natural-history-mineralogy-86-anorthoclase-from-nigeria-chemical-composition-the-chemical-analysis-of-a-hand-picked-sample-of-the-feldspar-of-the-phenocrysts-is-given-in-table-i-together-with-the-atomic-ratios-and-unit-cell-contents-calculated-kaislo-naaisijog-90-co-aljsijog-nigerian-anorthoclase-other-anorthoclases-quot-oligoclase-c-albite-quot-orthoclase-orthoclase-amp-microcline-o-unclassed-the-names-are-those-given-by-the-authors-of-the-various-analyses-fig-i-on-a-basis-of-32-oxygen-atoms-the-analysis-shows-that-the-feldspar-falls-we-RGK04R.jpg ". Bulletin of the British Museum (Natural History), Mineralogy. 86 ANORTHOCLASE FROM NIGERIA Chemical composition The chemical analysis of a hand-picked sample of the feldspar of the phenocrysts is given in Table i, together with the atomic ratios and unit cell contents, calculated KAISlO,. NaAISijOg 90 Co AljSijOg • Nigerian Anorthoclase • Other Anorthoclases " Oligoclase c Albite " Orthoclase * Orthoclase & Microcline o Unclassed The names are those given by the authors of the various analyses. Fig. I. on a basis of 32 oxygen atoms. The analysis shows that the feldspar falls we Stock Photo")
RMRGK04R–. Bulletin of the British Museum (Natural History), Mineralogy. 86 ANORTHOCLASE FROM NIGERIA Chemical composition The chemical analysis of a hand-picked sample of the feldspar of the phenocrysts is given in Table i, together with the atomic ratios and unit cell contents, calculated KAISlO,. NaAISijOg 90 Co AljSijOg • Nigerian Anorthoclase • Other Anorthoclases " Oligoclase c Albite " Orthoclase * Orthoclase & Microcline o Unclassed The names are those given by the authors of the various analyses. Fig. I. on a basis of 32 oxygen atoms. The analysis shows that the feldspar falls we
RFR4C0ME–macro photography of natural mineral from geological collection - tumbled albite (moonstone) gemstone on white background
RFM99RWR–Macro shooting of natural gemstone. The raw mineral is albite, Brazil. Isolated object on a white background.
RFKG6885–macro shooting of natural mineral rock specimen - tumbled moonstone gemstone on dark granite background
![. Carnegie Institution of Washington publication. SILICATES. 99 position of the absorption band. The band at 4.1 and 4.5 /x are in common with the other feldspars. Orthoclase (Feldspar) [KAlSi308]. (Rod 7 by 2.2 mm. Energy, 7.5 watts. Curve a, fig. 65. Transmission, Carnegie Publica- tion No. 65, p. 64.) This sample was translucent, due probably to air-bubbles. Its color on 7.5 watts was slightly red, due in part to reflected light from the elec-. 3 4-56 Fig. 66. — Oligoclase. trodes. The emission bands at 2, 2.88, 4.1, and 4.5 /* are in common with the preceding, with the possibility of a sma Stock Photo](https://c8.alamy.com/comp/RFRRWG/carnegie-institution-of-washington-publication-silicates-99-position-of-the-absorption-band-the-band-at-41-and-45-x-are-in-common-with-the-other-feldspars-orthoclase-feldspar-kalsi308-rod-7-by-22-mm-energy-75-watts-curve-a-fig-65-transmission-carnegie-publica-tion-no-65-p-64-this-sample-was-translucent-due-probably-to-air-bubbles-its-color-on-75-watts-was-slightly-red-due-in-part-to-reflected-light-from-the-elec-3-4-56-fig-66-oligoclase-trodes-the-emission-bands-at-2-288-41-and-45-are-in-common-with-the-preceding-with-the-possibility-of-a-sma-RFRRWG.jpg ". Carnegie Institution of Washington publication. SILICATES. 99 position of the absorption band. The band at 4.1 and 4.5 /x are in common with the other feldspars. Orthoclase (Feldspar) [KAlSi308]. (Rod 7 by 2.2 mm. Energy, 7.5 watts. Curve a, fig. 65. Transmission, Carnegie Publica- tion No. 65, p. 64.) This sample was translucent, due probably to air-bubbles. Its color on 7.5 watts was slightly red, due in part to reflected light from the elec-. 3 4-56 Fig. 66. — Oligoclase. trodes. The emission bands at 2, 2.88, 4.1, and 4.5 /* are in common with the preceding, with the possibility of a sma Stock Photo")
RMRFRRWG–. Carnegie Institution of Washington publication. SILICATES. 99 position of the absorption band. The band at 4.1 and 4.5 /x are in common with the other feldspars. Orthoclase (Feldspar) [KAlSi308]. (Rod 7 by 2.2 mm. Energy, 7.5 watts. Curve a, fig. 65. Transmission, Carnegie Publica- tion No. 65, p. 64.) This sample was translucent, due probably to air-bubbles. Its color on 7.5 watts was slightly red, due in part to reflected light from the elec-. 3 4-56 Fig. 66. — Oligoclase. trodes. The emission bands at 2, 2.88, 4.1, and 4.5 /* are in common with the preceding, with the possibility of a sma
RF2WWBWC6–close up of sample of natural stone from geological collection - unpolished oligoclase mineral isolated on white background from North Karelia
RFR4BYD5–macro photography of natural mineral from geological collection - tumbled albite (moonstone) stone on white background
RF2WWBWBW–close up of sample of natural stone from geological collection - raw oligoclase mineral isolated on white background from North Karelia
RFFRHXD9–set of Albite (Belomorite, moonstone, feldspar, adularia, orthoclase) rocks and gemstones isolated on white background
RFR4C0MP–macro photography of natural mineral from geological collection - polished albite (moonstone) gemstone on white background
RF2WWBTXW–close up of sample of natural stone from geological collection - unpolished heliolite (sunstone) mineral isolated on white background
RFR4BYCN–macro photography of natural mineral from geological collection - polished albite (moonstone) stone on white background
RF2WWBTXP–close up of sample of natural stone from geological collection - raw heliolite (sunstone) mineral isolated on white background
RFKC38RJ–set of various natural mineral polished Andesine (sunstone, heliolite) gemstones isolated on white background
RFKPT4X5–set of various moonstone (adularia) natural mineral stones and gemstones isolated on white background
RFKC38RK–set of various Sunstone gemstones (Andesine, Heliolite, red Aventurine, Goldstone) isolated on white background
RFKC38RF–macro shooting of natural mineral stone - polished Andesine (sunstone, heliolite) gemstone isolated on white background
RFKC38RX–macro shooting of natural mineral stone - tumbled Andesine (sunstone, heliolite) gemstone from USA isolated on white background
RFMAPT05–macro shooting of natural mineral rock specimen - tumbled moonstone gemstone on white marble background
RFMAPT04–macro shooting of natural mineral rock specimen - polished moonstone gemstone on white marble background
RFG10RDW–set of various sunstone (heliolite) natural mineral stones and gemstones isolated on white background
Search Results for Oligoclase feldspar Stock Photos and Images (87)
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