Definition
Origin
Discoverer
Etymology
Class
Sub-Class
Group
Other Categories
Texture
Color
Maintenance
Durability
Water Resistant
Scratch Resistant
Stain Resistant
Wind Resistant
Acid Resistant
Appearance
Interior Uses
Exterior Uses
Other Architectural Uses
Construction Industry
Medical Industry
Antiquity Uses
Commercial Uses
Types
Features
Monuments
Famous Monuments
Sculpture
Famous Sculptures
Pictographs
Petroglyphs
Figurines
Fossils
Formation
Mineral Content
Compound Content
Metamorphism
Types of Metamorphism
Weathering
Types of Weathering
Erosion
Types of Erosion
Hardness
Grain Size
Fracture
Streak
Porosity
Luster
Compressive Strength
Cleavage
Toughness
Specific Gravity
Transparency
Density
Specific Heat Capacity
Resistance
Asia
Africa
Europe
Others
North America
South America
Australia
Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar
From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones
Coarse Grained Rock, Opaque Rock
Decorative Aggregates, Homes, Interior Decoration
Paving Stone, Office Buildings
Cement Manufacture, Construction Aggregate, for Road Aggregate, Production of Glass and Ceramics, Raw material for the manufacture of mortar
Artifacts, Sculpture, Small Figurines
In aquifers, Soil Conditioner, Source of Magnesia (MgO), Tombstones
Available in Lots of Colors and Patterns, Generally rough to touch, Is one of the oldest rock
Arkose rock forms from the weathering of feldspar-rich igneous or metamorphic rock, most commonly granitic rocks, which are primarily composed of quartz and feldspar.
Calcite, Clay, Clay Minerals, Feldspar, Micas, Quartz
Aluminium Oxide, CaO, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide
Biological Weathering, Chemical Weathering, Mechanical Weathering
Coastal Erosion, Glacier Erosion, Water Erosion, Wind Erosion
Heat Resistant, Impact Resistant, Pressure Resistant
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
Namibia, Nigeria, South Africa
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
New South Wales, New Zealand
Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar
Alexandre Brongniart and René Just Haüy
From Greek trakhus rough’ or trakhutēs roughness
Durable Rock, Medium Hardness Rock
Fine Grained Rock, Opaque Rock
Black, Brown, Dark Greenish - Grey, Green, Grey, Light to Dark Grey, White
Decorative Aggregates, Flooring, Homes, Interior Decoration
As Building Stone, As Facing Stone, Paving Stone, Garden Decoration, Office Buildings
As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate, Landscaping, Making natural cement, Manufacture of Magnesium and Dolomite Refractories
Artifacts, Monuments, Sculpture, Small Figurines
Cemetery Markers, Creating Artwork
Available in Lots of Colors and Patterns, Is one of the oldest rock, Matrix variable
Trachyte is an igneous volcanic rock with an aphanitic to porphyritic texture. It is the volcanic equivalent of syenite rock and forms as a result of magmatic differentiation.
Augite, Biotite, Feldspar, Hornblade, Plagioclase, Quartz
Potassium Oxide, Sodium Oxide, Silicon Dioxide
Cataclastic Metamorphism, Contact Metamorphism, Regional Metamorphism
Biological Weathering, Chemical Weathering, Mechanical Weathering
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion
Heat Resistant, Impact Resistant, Wear Resistant
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Bulgaria, England, Germany, Norway, Romania, Switzerland
New Zealand, Queensland, South Australia, Western Australia