Diorite and Diatomite
Definition
Definition
Diorite is a grey to dark-grey intermediate intrusive igneous rock composed principally of plagioclase feldspar,biotite, hornblende, and pyroxene
Diatomite is a fine-grained sedimentary rock which is formed from consolidated diatomaceous earth
History
Origin
Unknown
Germany
Discoverer
Unknown
Unknown
Etymology
From early 19th century coined in French, formed irregularly from Greek diorizein distinguish
From diatom + -ite1
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Soft Rock
Family
Group
Plutonic
Not Applicable
Other Categories
Coarse Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock
Texture
Texture
Phaneritic
Clastic or Non-Clastic
Color
Black, Brown, Light to Dark Grey, White
Grey, White, Yellow
Maintenance
Less
Less
Durability
Durable
Non-Durable
Water Resistant
No
No
Scratch Resistant
No
No
Stain Resistant
No
No
Wind Resistant
Yes
No
Acid Resistant
No
No
Appearance
Shiny
Soft
Uses
Architecture
Interior Uses
Decorative Aggregates, Interior Decoration
Decorative Aggregates, Homes, Interior Decoration
Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration
Garden Decoration, Paving Stone
Other Architectural Uses
Curbing
Curbing
Industry
Construction Industry
As Dimension Stone, Cement Manufacture, Cobblestones, Construction Aggregate, for Road Aggregate
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate, Landscaping, Making natural cement, Source of calcium
Medical Industry
Not Yet Used
Not Yet Used
Antiquity Uses
Artifacts, Monuments, Sculpture, Small Figurines
Artifacts
Other Uses
Commercial Uses
Creating Artwork, Curling
Alumina Refineries, Animal feed filler, As a Feed Additive for Livestock, Creating Artwork, Drawing on blackboards, Fire resistant, Gymnasts, athletes and mountain climbers use for grip, In aquifers, Soil Conditioner, To ignite fire, Used as a filter medium, Used as an insecticide, Whiting material in toothpaste, paint and paper
Types
Types
Not Available
Not Available
Features
Typically speckled black and white.
Clasts are smooth to touch, Is one of the oldest rock, Smooth to touch, Very fine grained rock
Archaeological Significance
Monuments
Used
Not Yet Used
Famous Monuments
Data Not Available
Not Applicable
Sculpture
Used
Not Yet Used
Famous Sculptures
Data Not Available
Not Applicable
Pictographs
Not Used
Used
Petroglyphs
Not Used
Used
Figurines
Used
Not Yet Used
Fossils
Absent
Present
Formation
Formation
Diorite is a coarse-grained intrusive igneous rock which contains large interlocking and randomly oriented crystals and forms when molten lava does not reach the Earth’s surface and cools down in the Earth’s crust.
Diatomite rock formed from the skeletal remains of single celled plants called diatoms. When diatoms die, their skeletal remains sink to the bottom of lakes and oceans etc. hence forming diatomite deposit.
Composition
Mineral Content
Albite, Amphibole, Apatite, Biotite, Feldspar, Hornblade, Ilmenite, Magnetite, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz, Sulfides, Titanite, Zircon
Calcite, Clay, Clay Minerals, Quartz, Sand
Compound Content
Silicon Dioxide
Ca, NaCl, CaO
Transformation
Metamorphism
Yes
No
Types of Metamorphism
Cataclastic Metamorphism, Contact Metamorphism, Regional Metamorphism
Not Applicable
Weathering
Yes
Yes
Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
Erosion
Yes
Yes
Types of Erosion
Chemical Erosion, Coastal Erosion, Water Erosion
Chemical Erosion, Coastal Erosion, Wind Erosion
Properties
Physical Properties
Hardness
6-7
1
Grain Size
Medium to Coarse Grained
Very fine-grained
Fracture
Not Available
Not Available
Streak
Bluish Black
White
Porosity
Very Less Porous
Highly Porous
Luster
Shiny
Dull
Compressive Strength
225.00 N/mm2
7
Not Available
Cleavage
Not Available
Non-Existent
Toughness
2.1
1
Specific Gravity
2.8-3
2.3-2.4
Transparency
Opaque
Opaque
Density
2.8-3 g/cm3
2.49-2.51 g/cm3
Thermal Properties
Specific Heat Capacity
Not Available
0.90 kJ/Kg K
12
Resistance
Heat Resistant, Pressure Resistant, Wear Resistant
Heat Resistant
Reserves
Deposits in Eastern Continents
Asia
Not Yet Found
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
Africa
Egypt
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Europe
Finland, Germany, Italy, Romania, Sweden, Turkey, United Kingdom
England, France, Germany, Spain, United Kingdom
Others
Not Yet Found
Not Yet Found
Deposits in Western Continents
North America
USA
Canada, USA
South America
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru
Colombia
Deposits in Oceania Continent
Australia
New Zealand, Western Australia
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula
All about Diorite and Diatomite Properties
Know all about Diorite and Diatomite properties here. All properties of rocks are important as they define the type of rock and its application. Diorite belongs to Igneous Rocks while Diatomite belongs to Sedimentary Rocks.Texture of Diorite is Phaneritic whereas that of Diatomite is Clastic or Non-Clastic. Diorite appears Shiny and Diatomite appears Soft. The luster of Diorite is shiny while that of Diatomite is dull. Diorite is available in black, brown, light to dark grey, white colors whereas Diatomite is available in grey, white, yellow colors. The commercial uses of Diorite are creating artwork, curling and that of Diatomite are alumina refineries, animal feed filler, as a feed additive for livestock, creating artwork, drawing on blackboards, fire resistant, gymnasts, athletes and mountain climbers use for grip, in aquifers, soil conditioner, to ignite fire, used as a filter medium, used as an insecticide, whiting material in toothpaste, paint and paper.
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