Definition
A yellow sandstone which is flexible when cut into thin strips
History
Origin
-
Discoverer
Unknown
Etymology
From the name of a mountain range where it was found; Itacolumi mountain in Brazil
Class
Sedimentary Rocks
Sub-Class
Durable Rock, Hard Rock
Family
Group
-
Other Categories
Coarse Grained Rock, Fine Grained Rock, Opaque Rock
Texture
Clastic, Granular, Rough
Color
Beige, Black, Brown, Cream, Dark Brown, Green, Grey, Light Green, Light to Dark Grey, Pink, Red, White, Yellow
Maintenance
Less
Durability
Durable
Water Resistant
✔
✘
58% - Sedimentary Rocks Rocks have it !
Scratch Resistant
✔
✘
61% - Sedimentary Rocks Rocks
Stain Resistant
✔
✘
42% - Sedimentary Rocks Rocks
Wind Resistant
✔
✘
36% - Sedimentary Rocks Rocks
Acid Resistant
✔
✘
19% - Sedimentary Rocks Rocks
Appearance
Rough
Architecture
Interior Uses
Decorative Aggregates, Floor Tiles, Homes, Interior Decoration, Kitchens
Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration, Office Buildings
Other Architectural Uses
Curbing
Industry
Construction Industry
Cement Manufacture, Construction Aggregate, for Road Aggregate, Production of Glass and Ceramics, Raw material for the manufacture of mortar
Medical Industry
-
Antiquity Uses
Artifacts, Monuments, Sculpture
Other Uses
Commercial Uses
An Oil and Gas Reservoir, In aquifers, Petroleum reservoirs, Soil Conditioner, Source of Magnesia (MgO), Tombstones
Types
Sandstone
Features
Available in Lots of Colors and Patterns, Generally rough to touch, Very fine grained rock
Archaeological Significance
Monuments
-
Famous Monuments
-
Sculpture
-
Famous Sculptures
-
Pictographs
-
Petroglyphs
-
Figurines
-
Fossils
Present
Formation
Itacolumite is a sedimentary rock which forms from cemented sand-sized clasts and is a type of sandstone.
Composition
Mineral Content
Calcite, Clay, Clay Minerals, Feldspar, Micas, Quartz
Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide
Transformation
Metamorphism
✔
✘
17% - Sedimentary Rocks Rocks
Types of Metamorphism
-
Weathering
✔
✘
78% - Sedimentary Rocks Rocks have it !
Types of Weathering
Biological Weathering, Chemical Weathering
Erosion
✔
✘
86% - Sedimentary Rocks Rocks have it !
Types of Erosion
Chemical Erosion, Coastal Erosion, Wind Erosion
Physical Properties
Hardness
6-7
1
7
👆🏻
Grain Size
Coarse or Fine
Fracture
Conchoidal
Streak
White
Porosity
Highly Porous
Luster
Dull
Compressive Strength
95.00 N/mm2
Rank: 30 (Overall)
0.15
450
👆🏻
Cleavage
Perfect
Toughness
2.6
Specific Gravity
2.2-2.8
0
8.4
👆🏻
Transparency
Opaque
Density
2.2-2.8 g/cm3
0
1400
👆🏻
Thermal Properties
Specific Heat Capacity
0.92 kJ/Kg K
Rank: 10 (Overall)
0.14
3.2
👆🏻
Resistance
Heat Resistant, Impact Resistant, Pressure Resistant
Deposits in Eastern Continents
Asia
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
Africa
Namibia, Nigeria, South Africa
Europe
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Others
Greenland
Deposits in Western Continents
North America
Canada, USA
South America
Brazil
Deposits in Oceania Continent
Australia
New South Wales, New Zealand