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Luxullianite and Dunite


Dunite and Luxullianite


Definition

Definition
Luxullianite is a rare type of granite, known for presence of clusters of radially arranged acicular tourmaline crystals which are enclosed by phenocrysts of orthoclase and quartz in a matrix of quartz, tourmaline, alkali feldspar, brown mica.   
Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine   

History
  
  

Origin
England   
New Zealand   

Discoverer
Unknown   
Ferdinand von Hochstetter   

Etymology
From the village of Luxulyan in Cornwall, England, where this variety of granite is found   
From the name of Dun Mountain, New Zealand, + -ite1   

Class
Igneous Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Medium Hardness Rock   

Family
  
  

Group
Plutonic   
Plutonic   

Other Categories
Coarse Grained Rock, Opaque Rock   
Coarse Grained Rock, Opaque Rock   

Texture

Texture
Granular, Phaneritic   
Phaneritic   

Color
Black, Grey, Orange, Pink, White   
Dark Greenish - Grey   

Maintenance
More   
Less   

Durability
Durable   
Durable   

Water Resistant
No   
Yes   

Scratch Resistant
Yes   
Yes   

Stain Resistant
Yes   
Yes   

Wind Resistant
No   
No   

Acid Resistant
No   
No   

Appearance
Veined or Pebbled   
Rough and Shiny   

Uses

Architecture
  
  

Interior Uses
Bathrooms, Countertops, Decorative Aggregates, Entryways, Floor Tiles, Homes, Hotels, Interior Decoration, Kitchens, Stair Treads   
Decorative Aggregates, Interior Decoration   

Exterior Uses
As Building Stone, As Facing Stone, Paving Stone, Garden Decoration, Office Buildings   
As Building Stone, As Facing Stone, Garden Decoration, Paving Stone   

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone   
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate, Making natural cement, Raw material for the manufacture of mortar   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts, Monuments, Sculpture   
Artifacts, Monuments, Sculpture, Small Figurines   

Other Uses
  
  

Commercial Uses
Creating Artwork, Curling, Gemstone, Laboratory bench tops, Tombstones   
Creating Artwork, Gemstone, Jewelry, Source of Chromite, Platinum, Nickel and Garnet, Source of Diamonds   

Types

Types
Igneous Protolith Granite, Sedimentary Protolith Granite, Mantle Granite, Anorogenic Granite and Hybrid Granite   
Not Available   

Features
Available in Lots of Colors and Patterns, It is One of the Oldest, Strongest and Hardest Rock   
Constitutes upper part of the Earth's mantle, Generally rough to touch, Host rock for Diamond, Is one of the oldest rock   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Data Not Available   
Data Not Available   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Data Not Available   

Pictographs
Not Used   
Used   

Petroglyphs
Not Used   
Used   

Figurines
Used   
Used   

Fossils
Absent   
Absent   

Formation

Formation
Luxullianite is an intrusive igneous rock which is very hard, crystalline and is visibly homogeneous in texture. It is found in large plutons on the continents, i.e. in areas where the Earth's crust has been deeply eroded.   
Dunite is a plutonic ultramafic igneous rock consisting almost m olivine. It can be formed in two ways.   

Composition
  
  

Mineral Content
Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz   
Amphibole, Chromite, Garnet, Magnesium, Olivine, Phlogopite, Plagioclase, Pyroxene   

Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide   
Ca, CaO, Fe, Potassium, Silicon Dioxide, Sodium, Titanium Dioxide   

Transformation
  
  

Metamorphism
Yes   
Yes   

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism   
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism   

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, Water Erosion, Wind Erosion   
Coastal Erosion, Glacier Erosion, Water Erosion   

Properties

Physical Properties
  
  

Hardness
6-7   
3.5-4   

Grain Size
Large and Coarse Grained   
Coarse Grained   

Fracture
Not Available   
Irregular   

Streak
White   
White   

Porosity
Less Porous   
Less Porous   

Luster
Dull to Grainy with Sporadic parts Pearly and Vitreous   
Shiny   

Compressive Strength
175.00 N/mm2   
13
107.55 N/mm2   
19

Cleavage
Not Available   
Imperfect   

Toughness
Not Available   
2.1   

Specific Gravity
2.6-2.7   
3-3.01   

Transparency
Opaque   
Translucent to Opaque   

Density
2.6-2.8 g/cm3   
2.84-2.85 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
0.79 kJ/Kg K   
16
1.25 kJ/Kg K   
6

Resistance
Heat Resistant, Wear Resistant   
Heat Resistant, Pressure Resistant, Wear Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam   
China, India, Indonesia, Kazakhstan, Russia, South Korea, Thailand, Turkey   

Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa   
Morocco, South Africa   

Europe
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic, Venezuela   
Finland, France, Georgia, Germany, Great Britain, Italy, Kazakhstan, Netherlands, Norway, Spain, Switzerland, Venezuela   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
Canada, USA   

South America
Not Yet Found   
Argentina, Brazil, Colombia, Ecuador, Venezuela   

Deposits in Oceania Continent
  
  

Australia
Not Yet Found   
New Zealand, Western Australia   

Summary >>
<< Reserves

All about Luxullianite and Dunite Properties

Know all about Luxullianite and Dunite properties here. All properties of rocks are important as they define the type of rock and its application. Luxullianite and Dunite belong to Igneous Rocks.Texture of Luxullianite is Granular, Phaneritic whereas that of Dunite is Phaneritic. Luxullianite appears Veined or Pebbled and Dunite appears Rough and Shiny. The luster of Luxullianite is dull to grainy with sporadic parts pearly and vitreous while that of Dunite is shiny. Luxullianite is available in black, grey, orange, pink, white colors whereas Dunite is available in dark greenish - grey colors. The commercial uses of Luxullianite are creating artwork, curling, gemstone, laboratory bench tops, tombstones and that of Dunite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds.

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