Definition
Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine
Pantellerite is a peralkaline rhyolite. It has a higher iron and lower aluminium composition than comendite
Origin
Hawaii Islands
Strait of sicily
Discoverer
Unknown
Unknown
Etymology
From Greek pikros bitter + -ite, 19th century
From Pantelleria, a volcanic island in the Strait of Sicily
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Hard Rock
Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock
Texture
Earthy, Rough
Eutaxitic
Color
Black, Brown, Colourless, Green, Grey, Pink, White, Yellow
Dark Greenish - Grey
Durability
Durable
Durable
Scratch Resistant
Yes
Yes
Appearance
Rough and Shiny
Layered and Foliated
Interior Uses
Countertops, Decorative Aggregates, Homes, Interior Decoration
Not Yet Used
Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration, Paving Stone
Not Yet Used
Other Architectural Uses
Curbing
Not Yet Used
Construction Industry
As a Sintering Agent in Steel Industry to process Iron Ore, Cement Manufacture, for Road Aggregate, Manufacture of Magnesium and Dolomite Refractories, Roadstone, Used for flooring, stair treads, borders and window sills.
NA
Medical Industry
Not Yet Used
Not Yet Used
Antiquity Uses
Artifacts, Monuments, Sculpture
Artifacts, Sculpture
Commercial Uses
As a Feed Additive for Livestock, As armour rock for sea walls, Metallurgical Flux, Pottery, Source of Magnesia (MgO)
Creating Artwork
Types
Oceanite
Pantelleritic Ignimbrite
Features
Host Rock for Lead
High Fe content
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
Not Used
Petroglyphs
Not Used
Not Used
Figurines
Used
Not Yet Used
Formation
Picrite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.
Pantellerite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.
Mineral Content
Biotite, Olivine, Plagioclase, Pyrrhotite
Amphibole, Feldspar, Ilmenite
Compound Content
Al, CaO, Carbon Dioxide, Mg, MgO
Al, Fe
Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Impact Metamorphism, Regional Metamorphism
Burial Metamorphism, Cataclastic Metamorphism
Types of Weathering
Biological Weathering
Biological Weathering, Chemical Weathering
Types of Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion
Grain Size
Fine Grained
Fine Grained
Fracture
Uneven
Sub-conchoidal
Streak
White, Greenish White or Grey
Unknown
Porosity
Less Porous
Less Porous
Luster
Subvitreous to Dull
Earthy
Compressive Strength
Not Available
Cleavage
Imperfect
Conchoidal
Specific Gravity
2.75-2.92
Not Available
Transparency
Opaque
Translucent to Opaque
Density
1.5-2.5 g/cm3
Not Available
Specific Heat Capacity
Not Available
Resistance
Heat Resistant
Heat Resistant
Deposits in Eastern Continents
Asia
India, Russia
China, India
Africa
South Africa
Angola, Egypt, Madagascar, Namibia, Nigeria
Europe
Iceland
Germany, Iceland, Ireland, Italy, Spain, United Kingdom
Others
Not Yet Found
Not Yet Found
Deposits in Western Continents
North America
Canada, USA
Canada, USA
South America
Brazil
Argentina, Bolivia, Brazil, Colombia, Ecuador
Deposits in Oceania Continent
Australia
Not Yet Found
Central Australia, Queensland, Western Australia
All about Picrite and Pantellerite Properties
Know all about Picrite and Pantellerite properties here. All properties of rocks are important as they define the type of rock and its application. Picrite and Pantellerite belong to Igneous Rocks.Texture of Picrite is Earthy, Rough whereas that of Pantellerite is Eutaxitic. Picrite appears Rough and Shiny and Pantellerite appears Layered and Foliated. The luster of Picrite is subvitreous to dull while that of Pantellerite is earthy. Picrite is available in black, brown, colourless, green, grey, pink, white, yellow colors whereas Pantellerite is available in dark greenish - grey colors. The commercial uses of Picrite are as a feed additive for livestock, as armour rock for sea walls, metallurgical flux, pottery, source of magnesia (mgo) and that of Pantellerite are creating artwork.