Definition
Origin
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Water Resistant
Scratch Resistant
Stain Resistant
Wind Resistant
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Monuments
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Types of Metamorphism
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Types of Weathering
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Asia
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Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt
Christian Leopold von Buch
From Latin glaber bare, smooth, bald
Coarse Grained Rock, Opaque Rock
Countertops, Decorative Aggregates, Homes, Interior Decoration
As Building Stone, As Facing Stone, Garden Decoration, Office Buildings, Paving Stone
As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate
Artifacts, Monuments, Sculpture
Cemetery Markers, Commemorative Tablets, Laboratory bench tops, Jewelry, Sea Defence, Tombstones
Anorthosite Gabbro and Norite Gabbro
Gabbro, a mafic rock, forms due to cooling and crystallization of magma underneath Earth's surface.
Augite, Olivine, Plagioclase, Pyroxene
Aluminium Oxide, CaO, Chromium(III) Oxide, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Sulfur Trioxide
Impact Resistant, Pressure Resistant, Wear Resistant
Germany, Greece, Italy, Scotland, Turkey
Brazil, Colombia, Venezuela
Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition
From English feldspar and -ite
Durable Rock, Medium Hardness Rock
Fine Grained Rock, Opaque Rock
Arborescent Patterned, Vitreous
Black, Blue, Brown, Green, Orange, Red, Tan, Yellow
Layered, Banded, Veined and Shiny
Decorative Aggregates, Flooring, Interior Decoration
Paving Stone, Garden Decoration
Arrowheads, Cutting Tool, Knives, Scrapers, Spear Points
Available in Lots of Colors and Patterns, Clasts are smooth to touch, Splintery, Very fine grained rock
Felsite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
Burial Metamorphism, Contact Metamorphism, Impact Metamorphism, Regional Metamorphism
Biological Weathering, Chemical Weathering, Mechanical Weathering
Chemical Erosion, Glacier Erosion, Water Erosion
Heat Resistant, Impact Resistant
Afghanistan, Indonesia, Japan, Russia
Greece, Hungary, Iceland, Italy, Turkey
Argentina, Chile, Ecuador, Peru