Definition
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.
Jadeitite is a metamorphic rock usually found in blueschist grade metamorphic terrains
Discoverer
Unknown
Unknown
Etymology
From pseudo- + tachylite, a glassy rock generated by frictional heat within faults.
From pyroxene mineral jadeite
Class
Metamorphic Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
Group
Not Applicable
Not Applicable
Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock
Color
Black, Brown, Colourless, Green, Grey, Pink, White
Black, Brown, Colourless, Green, Grey, White
Durability
Durable
Durable
Appearance
Dull and Soft
Rough and Dull
Interior Uses
Decorative Aggregates, Entryways, Interior Decoration
Decorative Aggregates, Homes, Interior Decoration
Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration
Garden Decoration, Office Buildings, Paving Stone
Other Architectural Uses
Curbing
Curbing
Construction Industry
As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement
As Dimension Stone, Cutting Tool, Knives
Medical Industry
Not Yet Used
Not Yet Used
Antiquity Uses
Artifacts, Monuments
Artifacts, Jewellery, Monuments, Sculpture
Commercial Uses
Creating Artwork, Gemstone
Commemorative Tablets, Creating Artwork, Jewelry
Types
Not Available
Not Available
Features
Host Rock for Lead
Host Rock for Lead
Archaeological Significance
Famous Monuments
Data Not Available
Data Not Available
Sculpture
Not Yet Used
Used
Famous Sculptures
Not Applicable
Data Not Available
Pictographs
Not Used
Used
Petroglyphs
Not Used
Used
Figurines
Not Yet Used
Used
Formation
Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Pseudotachylite is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.
Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Jadeitite is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.
Mineral Content
Iron Oxides, Pyroxene, Quartz, Stishovite, Sulfides
Carbonate, Magnetite, Pyrrhotite, Serpentine, Sulfides
Compound Content
Carbon Dioxide, Silicon Dioxide, Sulfur Dioxide, Sulphur
Ca, CaO, Carbon Dioxide, KCl, MgO, Sulfur Dioxide, Sulphur
Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism
Cataclastic Metamorphism, Contact Metamorphism, Regional Metamorphism
Types of Weathering
Not Applicable
Not Applicable
Types of Erosion
Not Applicable
Coastal Erosion, Water Erosion, Wind Erosion
Grain Size
Very fine-grained
Very fine-grained
Streak
Light to dark brown
White, Greenish White or Grey
Porosity
Less Porous
Less Porous
Luster
Vitreous
Waxy and Dull
Cleavage
Irregular
Irregular
Toughness
Not Available
7
Specific Gravity
2.46-2.86
2.79-3
Transparency
Transparent to Translucent
Opaque
Density
2.7-2.9 g/cm3
2.5-3 g/cm3
Resistance
Heat Resistant
Heat Resistant, Water Resistant
Deposits in Eastern Continents
Asia
South Korea
India, Saudi Arabia, Singapore, South Korea
Africa
Western Africa
Ethiopia, Western Africa
Europe
Great Britain, Switzerland
England, Georgia, Switzerland, United Kingdom
Others
Not Yet Found
Not Yet Found
Deposits in Western Continents
North America
Not Yet Found
Canada
South America
Not Yet Found
Colombia
Deposits in Oceania Continent
Australia
Central Australia, Western Australia
Central Australia, New South Wales, New Zealand, Western Australia
All about Pseudotachylite and Jadeitite Properties
Know all about Pseudotachylite and Jadeitite properties here. All properties of rocks are important as they define the type of rock and its application. Pseudotachylite and Jadeitite belong to Metamorphic Rocks.Texture of Pseudotachylite is Quench whereas that of Jadeitite is Earthy. Pseudotachylite appears Dull and Soft and Jadeitite appears Rough and Dull. The luster of Pseudotachylite is vitreous while that of Jadeitite is waxy and dull. Pseudotachylite and Jadeitite are available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Pseudotachylite are creating artwork, gemstone and that of Jadeitite are commemorative tablets, creating artwork, jewelry.