Definition
Basanite is a black basaltic rock which mainly contains plagioclase, augite, olivine and nepheline and is formerly used as a touchstone
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
Origin
-
Western Australia, Minnesota
Discoverer
Unknown
Unknown
Etymology
From Latin basanites + -ite
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Soft Rock
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock
Texture
Aphanitic to Porphyritic
Banded, Trellis
Color
Black, Brown, Green, Grey, Red, White
Red, Reddish Brown
Durability
Durable
Durable
Appearance
Glassy or Pearly
Banded and Glassy
Interior Uses
Decorative Aggregates, Homes
Decorative Aggregates, Interior Decoration
Exterior Uses
As Building Stone, Garden Decoration, Office Buildings
As Facing Stone, Garden Decoration, Paving Stone
Other Architectural Uses
Whetstones
Curbing
Construction Industry
Arrowheads, Construction Aggregate, Cutting Tool, Spear Points
As a Flux in the Production of Steel and Pig Iron, As a Sintering Agent in Steel Industry to process Iron Ore, As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories
Antiquity Uses
Artifacts, Monuments
Artifacts, Jewellery, Monuments
Commercial Uses
As a touchstone, Creating Artwork, Gemstone, In fire-starting tools, Manufacture of tools, Metallurgical Flux, Jewelry, To ignite fire, Used in flintlock firearms
Creating Artwork, Jewelry
Types
Nepheline-Basanite, Analcite-Basanite and Leucite-Basanite
Algoma-type , Lake Superior-type and Superior-type
Features
Clasts are smooth to touch, Easily splits into thin plates, Has High structural resistance against erosion and climate, Used as a touchstone
Is one of the oldest rock
Archaeological Significance
Formation
Basanite is a fine-grained, hard rock that forms when bits of lava shoot out of volcanoes.
Jaspillite is a type of sedimentary rock which is formed by the compaction and sedimentation of pieces of broken or weathered rocks and minerals.
Mineral Content
Augite, Feldspar, Ilmenite, Olivine, Plagioclase
Coesite, Quartz, Sand
Compound Content
Potassium Oxide, Sodium Oxide, Silicon Dioxide
Fe, Iron(III) Oxide, Silicon Dioxide
Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Regional Metamorphism
-
Types of Weathering
Chemical Weathering, Mechanical Weathering
Biological Weathering, Chemical Weathering
Types of Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion
Chemical Erosion, Coastal Erosion
Grain Size
Fine Grained
Large and Coarse Grained
Fracture
Uneven, Splintery or Conchoidal
Conchoidal
Porosity
Highly Porous
Very Less Porous
Luster
Waxy and Dull
Earthy
Specific Gravity
2.5-2.8
5.0-5.3
Transparency
Translucent to Opaque
Translucent to Opaque
Density
2.7 g/cm3
0-5.7 g/cm3
Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Impact Resistant, Wear Resistant
Deposits in Eastern Continents
Europe
Germany, Hungary, Italy, Spain
Ukraine
Others
Greenland, Mid-Atlantic Ridge
-
Deposits in Western Continents
North America
USA
Canada, USA
South America
Bolivia, Brazil
Brazil
Deposits in Oceania Continent
Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
Western Australia
All about Basanite and Jaspillite Properties
Know all about Basanite and Jaspillite properties here. All properties of rocks are important as they define the type of rock and its application. Basanite belongs to Igneous Rocks while Jaspillite belongs to Sedimentary Rocks.Texture of Basanite is Aphanitic to Porphyritic whereas that of Jaspillite is Banded, Trellis. Basanite appears Glassy or Pearly and Jaspillite appears Banded and Glassy. The luster of Basanite is waxy and dull while that of Jaspillite is earthy. Basanite is available in black, brown, green, grey, red, white colors whereas Jaspillite is available in red, reddish brown colors. The commercial uses of Basanite and Jaspillite are as a touchstone, creating artwork, gemstone, in fire-starting tools, manufacture of tools, metallurgical flux, jewelry, to ignite fire, used in flintlock firearms.