Definition
Granophyre is a type of granitic rock which consists of intergrown feldspar and quartz crystals in a medium to fine grained groundmass
History
Origin
-
Discoverer
Unknown
Etymology
From German Granophyr, from Granit granite + Porphyr
Class
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Family
Group
Volcanic
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Texture
Granophyric
Color
Black, Grey, Orange, Pink, White
Maintenance
More
Durability
Durable
Water Resistant
✔
✘
81% - Igneous Rocks Rocks have it !
Scratch Resistant
✔
✘
86% - Igneous Rocks Rocks have it !
Stain Resistant
✔
✘
66% - Igneous Rocks Rocks have it !
Wind Resistant
✔
✘
49% - Igneous Rocks Rocks have it !
Acid Resistant
✔
✘
48% - Igneous Rocks Rocks
Appearance
Veined or Pebbled
Architecture
Interior Uses
Bathrooms, Countertops, Decorative Aggregates, Entryways, Floor Tiles, Flooring, Homes, Hotels, Interior Decoration, Kitchens, Stair Treads
Exterior Uses
As Building Stone, As Facing Stone, Bridges, Garden Decoration, Office Buildings, Paving Stone
Other Architectural Uses
-
Industry
Construction Industry
As Dimension Stone
Medical Industry
-
Antiquity Uses
Artifacts, Monuments, Sculpture, Small Figurines
Other Uses
Commercial Uses
Curling, Gemstone, Laboratory bench tops, Tombstones
Types
Intermediate intrusive rock
Features
Available in Lots of Colors and Patterns, It is One of the Oldest, Strongest and Hardest Rock
Archaeological Significance
Monuments
-
Famous Monuments
-
Sculpture
-
Famous Sculptures
-
Pictographs
-
Petroglyphs
-
Figurines
-
Fossils
Absent
Formation
Granophyre 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.
Composition
Mineral Content
Hornblade, Orthoclase, Plagioclase, Quartz
Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
Transformation
Metamorphism
✔
✘
97% - Igneous Rocks Rocks have it !
Types of Metamorphism
Burial Metamorphism, Impact Metamorphism
Weathering
✔
✘
99% - Igneous Rocks Rocks have it !
Types of Weathering
Biological Weathering
Erosion
✔
✘
92% - Igneous Rocks Rocks have it !
Types of Erosion
Glacier Erosion, Sea Erosion, Wind Erosion
Physical Properties
Hardness
6-7
1
7
👆🏻
Grain Size
Medium to Fine Coarse Grained
Fracture
-
Streak
White
Porosity
Less Porous
Luster
Dull to Grainy with Sporadic parts Pearly and Vitreous
Compressive Strength
175.00 N/mm2
Rank: 20 (Overall)
0.15
450
👆🏻
Cleavage
-
Toughness
-
Specific Gravity
2.6-2.7
0
8.4
👆🏻
Transparency
Opaque
Density
2.6-2.8 g/cm3
0
1400
👆🏻
Thermal Properties
Specific Heat Capacity
0.79 kJ/Kg K
Rank: 17 (Overall)
0.14
3.2
👆🏻
Resistance
Heat Resistant, Wear Resistant
Deposits in Eastern Continents
Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Europe
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic
Others
-
Deposits in Western Continents
North America
Canada, USA
South America
-
Deposits in Oceania Continent
Australia
-