Rhyolite and Enderbite
Definition
Definition
Rhyolite is a fine-grained igneous rock which is rich in silica
Enderbite rock is an igneous rock which belongs to the Charnockite rock series
History
Origin
North America
Enderby Land, Antarctica
Discoverer
Ferdinand von Richthofen
Unknown
Etymology
From German Rhyolit, from Greek rhuax lava stream + lithos stone
From its occurrence in Enderby Land, Antarctica
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Hard Rock
Family
Group
Volcanic
Plutonic
Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock
Texture
Texture
Aphanitic, Glassy, Porphyritic
Granular
Color
Grey, White, Light Black
Black, Grey, Orange, Pink, White
Maintenance
More
Less
Durability
Durable
Durable
Water Resistant
Yes
Yes
Scratch Resistant
Yes
Yes
Stain Resistant
Yes
Yes
Wind Resistant
Yes
Yes
Acid Resistant
Yes
Yes
Appearance
Banded
Veined or Pebbled
Uses
Architecture
Interior Uses
Decorative Aggregates, Homes, Hotels, Interior Decoration, Kitchens
Bathrooms, Countertops, Decorative Aggregates, Entryways, Floor Tiles, Homes, Hotels, Kitchens, Stair Treads
Exterior Uses
As Building Stone, As Facing Stone, Paving Stone, Office Buildings
As Building Stone, As Facing Stone, Bridges, Paving Stone, Garden Decoration, Office Buildings
Other Architectural Uses
Not Yet Used
Curbing
Industry
Construction Industry
Arrowheads, As Dimension Stone, Building houses or walls, Construction Aggregate, Cutting Tool, for Road Aggregate, Knives
As Dimension Stone
Medical Industry
Not Yet Used
Not Yet Used
Antiquity Uses
Artifacts
Artifacts, Monuments, Sculpture, Small Figurines
Other Uses
Commercial Uses
Gemstone, Laboratory bench tops, Jewelry
Curling, Gemstone, Laboratory bench tops, Tombstones
Types
Types
Pumice Rocks, Obsidian Rocks, Perlite Rocks, Porphyritic Rocks.
Not Available
Features
Acidic in nature, Available in lots of colors
Available in Lots of Colors and Patterns, It is One of the Oldest, Strongest and Hardest Rock
Archaeological Significance
Monuments
Not Yet Used
Used
Famous Monuments
Not Applicable
Data Not Available
Sculpture
Not Yet Used
Used
Famous Sculptures
Not Applicable
Data Not Available
Pictographs
Not Used
Not Used
Petroglyphs
Not Used
Not Used
Figurines
Not Yet Used
Used
Fossils
Absent
Absent
Formation
Formation
Rhyolite is a felsic extrusive rock and due to its high silica content, rhyolite lava is very viscous and is volcanic equivalent of granite.
Charnockite is an intrusive igneous rock which is very hard and is formed due to weathering of existing rocks.
Composition
Mineral Content
Biotite, Feldspar, Hornblade, Plagioclase, Pyroxene, Quartz
Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz
Compound Content
Ca, Fe, Potassium Oxide, Mg, Potassium, Silicon Dioxide, Sodium
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
Transformation
Metamorphism
Yes
Yes
Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Regional Metamorphism
Contact Metamorphism, Impact Metamorphism
Weathering
Yes
Yes
Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
Biological Weathering, Chemical Weathering
Erosion
Yes
Yes
Types of Erosion
Chemical Erosion, Sea Erosion, Water Erosion, Wind Erosion
Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion
Properties
Physical Properties
Hardness
6-7
6-7
Grain Size
Large and Coarse Grained
Coarse Grained
Fracture
Sub-conchoidal
Not Available
Streak
Colorless
White
Porosity
Highly Porous
Very Less Porous
Luster
Earthy
Not Available
Compressive Strength
140.00 N/mm2
15
Not Available
Cleavage
Not Available
Not Available
Toughness
2
Not Available
Specific Gravity
2.65-2.67
Not Available
Transparency
Opaque
Opaque
Density
2.4-2.6 g/cm3
2.6 g/cm3
Thermal Properties
Resistance
Heat Resistant, Wear Resistant
Heat Resistant, Wear Resistant
Reserves
Deposits in Eastern Continents
Asia
China, India
India
Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Not Available
Europe
Germany, Iceland, Ireland, Italy, Spain
Not Available
Others
Not Yet Found
Antarctica
Deposits in Western Continents
North America
Canada, USA
USA
South America
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
Not Available
Deposits in Oceania Continent
Australia
New Zealand, Queensland, Western Australia
Not Available
All about Rhyolite and Enderbite Properties
Know all about Rhyolite and Enderbite properties here. All properties of rocks are important as they define the type of rock and its application. Rhyolite and Enderbite belong to Igneous Rocks.Texture of Rhyolite is Aphanitic, Glassy, Porphyritic whereas that of Enderbite is Granular. Rhyolite appears Banded and Enderbite appears Veined or Pebbled. The luster of Rhyolite is earthy while that of Enderbite is not available. Rhyolite is available in grey, white, light black colors whereas Enderbite is available in black, grey, orange, pink, white colors. The commercial uses of Rhyolite are gemstone, laboratory bench tops, jewelry and that of Enderbite are curling, gemstone, laboratory bench tops, tombstones.
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