Enderbite and Tonalite
Definition
Definition
Enderbite rock is an igneous rock which belongs to the Charnockite rock series
Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture
History
Origin
Enderby Land, Antarctica
Tonale, Italy
Discoverer
Unknown
Unknown
Etymology
From its occurrence in Enderby Land, Antarctica
From Tonale Pass, northern Italy, + -ite1
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Hard Rock
Family
Group
Plutonic
Plutonic
Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Texture
Texture
Granular
Phaneritic
Color
Black, Grey, Orange, Pink, White
Black, Brown, Light to Dark Grey, White
Maintenance
Less
Less
Durability
Durable
Durable
Water Resistant
Yes
Yes
Scratch Resistant
Yes
Yes
Stain Resistant
Yes
Yes
Wind Resistant
Yes
No
Acid Resistant
Yes
Yes
Appearance
Veined or Pebbled
Banded and Foilated
Uses
Architecture
Interior Uses
Bathrooms, Countertops, Decorative Aggregates, Entryways, Floor Tiles, Homes, Hotels, Kitchens, Stair Treads
Decorative Aggregates, Entryways, Flooring, Homes, Interior Decoration
Exterior Uses
As Building Stone, As Facing Stone, Bridges, Paving Stone, Garden Decoration, Office Buildings
As Building Stone, As Facing Stone, Paving Stone, Garden Decoration, Office Buildings
Other Architectural Uses
Curbing
Curbing
Industry
Construction Industry
As Dimension Stone
As Dimension Stone, Cement Manufacture, Cobblestones, Construction Aggregate, for Road Aggregate
Medical Industry
Not Yet Used
Not Yet Used
Antiquity Uses
Artifacts, Monuments, Sculpture, Small Figurines
Artifacts, Sculpture
Other Uses
Commercial Uses
Curling, Gemstone, Laboratory bench tops, Tombstones
Cemetery Markers, Creating Artwork
Types
Types
Not Available
Dacite
Features
Available in Lots of Colors and Patterns, It is One of the Oldest, Strongest and Hardest Rock
Is one of the oldest rock, Typically speckled black and white.
Archaeological Significance
Monuments
Used
Not Yet Used
Famous Monuments
Data Not Available
Not Applicable
Sculpture
Used
Used
Famous Sculptures
Data Not Available
Data Not Available
Pictographs
Not Used
Not Used
Petroglyphs
Not Used
Not Used
Figurines
Used
Used
Fossils
Absent
Absent
Formation
Formation
Charnockite is an intrusive igneous rock which is very hard and is formed due to weathering of existing rocks.
When alkali feldspar is extracted from granite, it changes to granitoid and later, it becomes tonalite with quartz as major mineral.
Composition
Mineral Content
Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz
Albite, Amphibole, Apatite, Biotite, Feldspar, Hornblade, Ilmenite, Magnetite, Manganese Oxides, Olivine, Plagioclase, Pyroxene, Quartz, Sulfides, Titanite, Zircon
Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
NaCl, CaO, MgO, Silicon Dioxide
Transformation
Metamorphism
Yes
Yes
Types of Metamorphism
Contact Metamorphism, Impact Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism
Weathering
Yes
Yes
Types of Weathering
Biological Weathering, Chemical Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
Erosion
Yes
Yes
Types of Erosion
Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion
Wind Erosion
Properties
Physical Properties
Hardness
6-7
6-7
Grain Size
Coarse Grained
Medium to Fine Coarse Grained
Fracture
Not Available
Conchoidal
Streak
White
Bluish Black
Porosity
Very Less Porous
Very Less Porous
Luster
Not Available
Subvitreous to Dull
Cleavage
Not Available
Not Available
Toughness
Not Available
2.1
Specific Gravity
Not Available
2.86-3
Transparency
Opaque
Opaque
Density
2.6 g/cm3
2.73 g/cm3
Thermal Properties
Specific Heat Capacity
Not Available
0.92 kJ/Kg K
10
Resistance
Heat Resistant, Wear Resistant
Heat Resistant, Pressure Resistant, Water Resistant
Reserves
Deposits in Eastern Continents
Asia
India
Not Yet Found
Africa
Not Available
Egypt
Europe
Not Available
Finland, Germany, Italy, Romania, Sweden, Turkey
Others
Antarctica
Not Yet Found
Deposits in Western Continents
North America
USA
USA
South America
Not Available
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru
Deposits in Oceania Continent
Australia
Not Available
New Zealand, South Australia, Western Australia
All about Enderbite and Tonalite Properties
Know all about Enderbite and Tonalite properties here. All properties of rocks are important as they define the type of rock and its application. Enderbite and Tonalite belong to Igneous Rocks.Texture of Enderbite is Granular whereas that of Tonalite is Phaneritic. Enderbite appears Veined or Pebbled and Tonalite appears Banded and Foilated. The luster of Enderbite is not available while that of Tonalite is subvitreous to dull. Enderbite is available in black, grey, orange, pink, white colors whereas Tonalite is available in black, brown, light to dark grey, white colors. The commercial uses of Enderbite are curling, gemstone, laboratory bench tops, tombstones and that of Tonalite are cemetery markers, creating artwork.
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