Definition
Basanite is a black basaltic rock which mainly contains plagioclase, augite, olivine and nepheline and is formerly used as a touchstone
History
Origin
-
Discoverer
Unknown
Etymology
From Latin basanites + -ite
Class
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Family
Group
-
Other Categories
Fine Grained Rock, Opaque Rock
Texture
Aphanitic to Porphyritic
Color
Black, Brown, Green, Grey, Red, White
Maintenance
Less
Durability
Durable
Water Resistant
✔
✘
81% - Igneous Rocks Rocks have it !
Scratch Resistant
✔
✘
86% - Igneous Rocks Rocks have it !
Stain Resistant
✔
✘
66% - Igneous Rocks Rocks have it !
Wind Resistant
✔
✘
49% - Igneous Rocks Rocks have it !
Acid Resistant
✔
✘
48% - Igneous Rocks Rocks have it !
Appearance
Glassy or Pearly
Architecture
Interior Uses
Decorative Aggregates, Homes
Exterior Uses
As Building Stone, Garden Decoration, Office Buildings
Other Architectural Uses
Whetstones
Industry
Construction Industry
Arrowheads, Construction Aggregate, Cutting Tool, Spear Points
Medical Industry
-
Antiquity Uses
Artifacts, Monuments
Other Uses
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
Types
Nepheline-Basanite, Analcite-Basanite and Leucite-Basanite
Features
Clasts are smooth to touch, Easily splits into thin plates, Has High structural resistance against erosion and climate, Used as a touchstone
Archaeological Significance
Monuments
-
Famous Monuments
-
Sculpture
-
Famous Sculptures
-
Pictographs
-
Petroglyphs
-
Figurines
-
Fossils
Absent
Formation
Basanite is a fine-grained, hard rock that forms when bits of lava shoot out of volcanoes.
Composition
Mineral Content
Augite, Feldspar, Ilmenite, Olivine, Plagioclase
Compound Content
Potassium Oxide, Sodium Oxide, Silicon Dioxide
Transformation
Metamorphism
✔
✘
97% - Igneous Rocks Rocks have it !
Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Regional Metamorphism
Weathering
✔
✘
99% - Igneous Rocks Rocks have it !
Types of Weathering
Chemical Weathering, Mechanical Weathering
Erosion
✔
✘
92% - Igneous Rocks Rocks have it !
Types of Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion
Physical Properties
Hardness
7
1
7
👆🏻
Grain Size
Fine Grained
Fracture
Uneven, Splintery or Conchoidal
Streak
White
Porosity
Highly Porous
Luster
Waxy and Dull
Compressive Strength
100.00 N/mm2
Rank: 29 (Overall)
0.15
450
👆🏻
Cleavage
-
Toughness
1.5
Specific Gravity
2.5-2.8
0
8.4
👆🏻
Transparency
Translucent to Opaque
Density
2.7 g/cm3
0
1400
👆🏻
Thermal Properties
Specific Heat Capacity
0.74 kJ/Kg K
Rank: 21 (Overall)
0.14
3.2
👆🏻
Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Deposits in Eastern Continents
Asia
-
Africa
Uganda
Europe
Germany, Hungary, Italy, Spain
Others
Greenland, Mid-Atlantic Ridge
Deposits in Western Continents
North America
USA
South America
Bolivia, Brazil
Deposits in Oceania Continent
Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia