• Home
  • Health
    • Anatomy and Physiology
    • Common Ailments
    • Complementary Medicine
    • Foods
    • For Seniors
    • Herbs
    • Microbes
    • Nutrients
    • Nutrition
    • Therapeutic Essential Oils
  • Science
    • Ancient Astronomy
    • Botany
    • Chemistry
    • Earth Sciences
    • Ecology
    • Mathematics
    • Zoology
  • Society
    • Business
    • Education
    • Government
  • Culture
    • Arts
    • Literature
    • Religion
    • Travel
  • Our Books
  • Contact Us


Home › Science › Earth Sciences › Geology › Igneous Rocks

Igneous Rocks

  • Name of rock [components]
    1. Colours
    2. Type; Grain and texture
    3. Uses





  • Andesite [Chalcopyrite, ilminite, magnetite, feldspar]
    1. Brown, grey, purple, or green
    2. Extrusive; Fine, porphyritic
    3. Building
  • Anorthosite [Plagioclase, pyroxene, olivine, iron oxides]
    1. Grey to white
    2. Intrusive; Medium to coarse
    3. Refractory materials
  • Aplite [Quartz, feldspar, muscovite, biotite, tourmaline]
    1. White to light grey
    2. Dike; Very fine
    3. Scientific
  • Basalt [Feldspar, augite, quartz]
    1. Grey, black, brown, green, or red
    2. Extrusive; Fine, pockmarked, dense
    3. Road building, railway ballast, rock wool, fibre glass
  • Basanite [Plagioclase, pyroxenes, nepheline, leucite, olivine, hornblende, biotite, sodalite, analcime, magnetite]
    1. Dark grey with white spots
    2. Extrusive; Fine
    3. Rarely used in building
  • Camptonite [Kaersutite, barkevikite, titanaugite, olivine, plagioclase, orthoclase, zeolites]
    1. Dark
    2. Lamprophyritic; Fine to medium
    3. Scientific
  • Carbonatite [Calcite, dolomite, carbonates, nepheline, phlogopite, olivine, apatite, monazite, barite, pyrochlore, fluorite, perovskite, iron oxides, iron sulfides, nobium, tantalum]
    1. Light grey, or yellow
    2. Intrusive; Fine to coarse
    3. Scientific
  • Dacite [Plagioclase, quartz, biotite, hornblende, sanidine, pyroxenes, magnetite, ilmenite, sphene, garnet]
    1. Grey
    2. Extrusive; Fine
    3. Architectural bosses and ashlars
  • Diabase [Feldspar, pyroxene, quartz, chalcopyrite, hornblende, pyrrhotite]
    1. Dark
    2. Intrusive; Medium, ophitic or porphyritic
  • Diorite [Quartz, feldspar, biotite, mica, pyroxenite]
    1. Speckled black and white, or green, or pink
    2. Intrusive; Medium to coarse, epigranular or porphitic
    3. Buildings, polished slabs
  • Dunite [Olivine, spinel, pyroxene, garnet, metals]
    1. Light green to yellow
    2. Intrusive; Fine to medium
    3. Scientific
  • Gabbro [Feldspar, augite, apatite, garnet, chromite, hornblende, ilmenite, magnetite, olivine, rutile, zircon]
    1. Grey, or black
    2. Intrusive; Coarse, granular
    3. Mined for its minerals
  • Grandophyre [Orthoclase, microcline, quartz, plagioclase, biotite, amphibole, aegirine, muscovite, apatite, zircon, molybdenite]
    1. Light red
    2. Dike; Fine to medium
    3. Paving roads, ornamental stones
  • Granite [Feldspar, hornblende, mica, quartz]
    1. White, grey, pink, red, or mottled
    2. Intrusive; Coarse, granular
    3. Building and ornamental stone, mined for its ore deposits
  • Granodiorite [Feldspar, quartz, hornblende]
    1. Pink, or white
    2. Intrusive; Coarse, granular
    3. Building, ornamental stone
  • Hyaloclastite [Glass, calcite, zeolite]
    1. Dark
    2. Extrusive; Brecciated, glassy
    3. None
  • Ignimbrite [glassy chards, quartz, sanidine, albite, biotite, pyroxene, hornblende, plagioclase, feldspathoids]
    1. Light grey, brown, red, or violet
    2. Extrusive; Glassy
    3. Building
  • Italite [Pseudo-leucite, aegirine, amphiboles]
    1. White, or light yellow
    2. Intrusive; Coarse
    3. Scientific
  • Kersantite [Phlogopite, augite, plastioclase, olivine, diopside, hornblende, orthoclase]
    1. Dark
    2. Lamprophyritic; Fine to medium
    3. Scientific
  • Kimberlite [Olivine, phlogopite, garnet, diopside]
    1. Blue, green, or black
    2. Lamprophyritic; Coarse, porphyritic
    3. Source of diamonds
  • Latite [Andesine, sanidine, augite, amphibole, quartz, biotite, magnetite, hematite, apatite]
    1. White to grey, yellow, or red
    2. Extrusive; Fine
    3. None
  • Leucitophyre [Feldspar, leucite, pyroxene, nepheline, phlogopite, amphibole]
    1. Grey, with white spots
    2. Extrusive; Fine to medium, porphyritic
  • Lherzolite [Olivine, pyroxene, spinel, garnet, hornblende, chromite]
    1. Dark green to black
    2. Intrusive; Medium
    3. Scientific
  • Melilitite [Melilite, augite, olivine, perovskite, chromite, picotite, melanite, phlogopite, apatite, sphene]
    1. Grey, or light brown
    2. Extrusive; Fine
    3. Scientific
  • Microsyenite [Feldspar, biotite, hornblende, pyroxene, quartz]
    1. Grey, red, pink, or brown
    2. Intrusive; Medium, granular
  • Minette [Biotite,diopside, orthoclase, olivine, augite, hornblende, plaagioclase, calcite, chlorite]
    1. Black, or brown
    2. Lamprophyritic; Fine to medium
    3. Scientific
  • Missourite [Pseudo-leucite, pyroxene, olivine, biotite, metals]
    1. Grey to black
    2. Intrusive; Coarse
    3. Scientific
  • Monzonite [Plagioclase, feldspar, pyroxene, hornblende, biotite, quartz, apatite, magnetite, ilmenite, zircon]
    1. Light green, or grey
    2. Intrusive; Coarse
    3. Rarely used in building
  • Obsidian [Feldspar, quartz, ilmenite, magnetite]
    1. Black, or red
    2. Extrusive; Amorphous, glassy
    3. Cutting tool, gemstone
  • Pegmatite [Granite, gabbro, syenite, quartz, feldspar, beryl, bismuthinite, borax, cassiterite, columnite, spodumene, molybdenite, tantalite, uraninite, wolframite]
    1. White, pink, red
    2. Hypabyssal; Coarse, parallel crystals
    3. Mining for minerals and gemstones
  • Nephelinite [Nepheline, augite, olivine, sphene, perovskite, melilite, nosean, sodalite, hauyne, zeolites]
    1. Light grey, green, or rose
    2. Extrusive; Fine
    3. Rarely used in building
  • Peridotite [Olivine, hornblende, mica, augite, garnet, spinel, apatite, chromite, magnite, pyrrotite]
    1. Green to black
    2. Hypabyssal; Medium, granular
    3. Mined for ores
  • Phonolite [Feldspar, sanidine, nepheline, aegirine, amphibole]
    1. Dark green to grey
    2. Extrusive; Fine, porphyritic
    3. Source of diamonds
  • Pitchstone [Feldspar, quartz]
    1. Black, brown, green, or grey in dark shades
    2. Extrusive; Medium to coarse, glassy
  • Pumice [Silicates, calcite, glass]
    1. Grey, yellow, rosy
    2. Extrusive; Pock-holed, porous, floats, amorphous
    3. Scourer, abrasive, polisher, railroad ballast; and in sound proofing tiles, precast masonry, plaster, concrete
  • Pyroxinite [Iron and magnesium minerals, mica, hornblende, olivine]
    1. Green to black
    2. Intrusive; Medium to coarse, granular
    3. Mined for platinum and palladium
  • Quartz Porphyry [Quartz, feldspar, mica, chalcopyrite, apatite, calcite, hornblende, ilmenite, magnetite, molybdenite, zircon]
    1. Grey, pink, red, or violet
    2. Dike; Rough surface
    3. Mined for minerals; ornamental stones, building façades, gravel, ballast
  • Rhyolite [Feldspar, mica, quartz, hornblende]
    1. Grey, brown, or reddish
    2. Extrusive; Fine to very fine, round cavities, hollow sacs
    3. Architectural bosses and ashlars
  • Serpentinite [Silica, antigorite, chrysotile, garnet, hornblende, mica, chromite]
    1. Green to black
    2. Intrusive; Medium to coarse, snakeskin patterns, compact
    3. Mined for chromium
  • Shonkinite [Augite, feldspar, nepheline, olivine, hornblende, biotite, aegirine]
    1. Blackish grey
    2. Intrusive; Coarse
    3. Scientific
  • Spessartite [Hornblende, plagioclase, augite, biotite, olivine, diopside, orthoclase]
    1. Dark
    2. Lamprophyritic; Fine to medium
    3. Scientific
  • Syenite [Feldspar, quartz, biotite, mica, hornblende, augite, nepheline]
    1. Red, pink, grey, or white
    2. Intrusive; Coarse, equigranular
    3. Polished slabs
  • Tephrite [Nepheline, leucite, plagioclase, pyroxenes, hornblende, biolite, sodalite, analcime, magnetite]
    1. Dark grey
    2. Extrusive; Fine
    3. Rarely used in building
  • Tonalite [Plagioclase, quartz, hornblende, biotite, orthoclase, apatite, sphene, magnetite, zircon, pyroxene, epidote]
    1. Blackish grey
    2. Intrusive; Coarse
    3. Building
  • Trachyte [Feldspar, nepheline, quartz, mica, aegirine, augite, hornblende]
    1. Grey, brown, pink, red, or white, in light tones
    2. Extrusive; Fine, porphyritic
    3. Road paving
  • Troctolite [Plagioclase, olivine]
    1. Grey, with black or brown or red spots
    2. Intrusive; Coarse, granular
  • Tuff [Feldspar, mica, quartz, hornblende, ash]
    1. Grey, rose, green, yellow, or brown
    2. Extrusive; Fine
    3. Cement




Search


Follow Us

Innvista

Google Translate

Nature’s Pharmacy





Copyright 2020 | All rights reserved | Innvista.com