Itacolumite

Gossan

Itacolumite and Gossan

Itacolumite

Gossan

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1 Definition

1.1 Definition

A yellow sandstone which is flexible when cut into thin strips

Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.

1.2 History

1.2.1 Origin

Unknown

Indonesia

1.2.2 Discoverer

Unknown

Cornish Gossen

1.3 Etymology

From the name of a mountain range where it was found; Itacolumi mountain in Brazil

From Cornish gossen from gos, blood from Old Cornish guit

1.4 Class

Sedimentary Rocks

Metamorphic Rocks

1.4.1 Sub-Class

Durable Rock, Hard Rock

Durable Rock, Medium Hardness Rock

1.5 Family

1.5.1 Group

Not Applicable

1.6 Other Categories

Coarse Grained Rock, Fine Grained Rock, Opaque Rock

Fine Grained Rock, Medium Grained Rock, Opaque Rock

2 Texture

2.1 Texture

Clastic, Granular, Rough

Rough, Sandy

2.2 Color

Beige, Black, Brown, Colourless, Cream, Dark Brown, Green, Grey, Light Green, Light to Dark Grey, Pink, Red, White, Yellow

Brown, Brown- Black, Gold, Green, Rust

2.3 Maintenance

Less

2.4 Durability

Durable

2.4.1 Water Resistant

✔ ✘

59% Sedimentary Rocks Rocks have it !

✔ ✘

81% Metamorphic Rocks Rocks have it !

2.4.2 Scratch Resistant

✔ ✘

62% Sedimentary Rocks Rocks have it !

✔ ✘

65% Metamorphic Rocks Rocks have it !

2.4.3 Stain Resistant

✔ ✘

43% Sedimentary Rocks Rocks have it !

✔ ✘

42% Metamorphic Rocks Rocks have it !

2.4.4 Wind Resistant

✔ ✘

38% Sedimentary Rocks Rocks have it !

✔ ✘

19% Metamorphic Rocks Rocks have it !

1.4.2 Acid Resistant

✔ ✘

22% Sedimentary Rocks Rocks have it !

✔ ✘

15% Metamorphic Rocks Rocks have it !

1.7 Appearance

Rough

Dull and Banded

3 Uses

3.1 Architecture

3.1.1 Interior Uses

Decorative Aggregates, Floor Tiles, Homes, Interior Decoration, Kitchens

Countertops, Decorative Aggregates, Interior Decoration

3.2.1 Exterior Uses

As Building Stone, As Facing Stone, Garden Decoration, Office Buildings

As Building Stone, As Facing Stone, Paving Stone, Garden Decoration, Office Buildings

3.2.2 Other Architectural Uses

Curbing

3.4 Industry

3.4.1 Construction Industry

Cement Manufacture, Construction Aggregate, for Road Aggregate, Production of Glass and Ceramics, Raw material for the manufacture of mortar

As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate

3.5.1 Medical Industry

Not Yet Used

3.6 Antiquity Uses

Artifacts, Monuments, Sculpture

Artifacts

3.7 Other Uses

3.7.1 Commercial Uses

An Oil and Gas Reservoir, In aquifers, Petroleum reservoirs, Soil Conditioner, Source of Magnesia (MgO), Tombstones

Cemetery Markers, Commemorative Tablets, Gemstone

4 Types

4.1 Types

Not Available

Translocated gossan and Leakage gossan

4.2 Features

Available in Lots of Colors and Patterns, Generally rough to touch, Very fine grained rock

Clasts are smooth to touch, Easily splits into thin plates

4.3 Archaeological Significance

4.3.1 Monuments

Used

Not Yet Used

4.3.3 Famous Monuments

Data Not Available

Not Applicable

4.3.4 Sculpture

Used

Not Yet Used

4.3.5 Famous Sculptures

Data Not Available

Not Applicable

4.3.6 Pictographs

Not Used

Used

4.3.7 Petroglyphs

Not Used

Used

4.3.9 Figurines

Used

Not Yet Used

4.4 Fossils

Present

Absent

5 Formation

5.1 Formation

Itacolumite is a sedimentary rock which forms from cemented sand-sized clasts and is a type of sandstone.

Earth movements can cause rocks to be either deeply buried or squeezed and hence the rocks are heated and put under great pressure.

5.2 Composition

5.2.1 Mineral Content

Calcite, Clay, Clay Minerals, Feldspar, Micas, Quartz

Apatite, Augite, Biotite, Bronzite, Calcite, Chert, Epidote, Feldspar, Hornblende, Micas, Plagioclase, Pyroxene, Quartz, Sulfides, Zircon

5.2.3 Compound Content

Aluminium Oxide, CaO, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide

Aluminium Oxide, CaO, Fe, FeO, Silicon Dioxide, Sulphur

5.3 Transformation

5.3.1 Metamorphism

✔ ✘

19% Sedimentary Rocks Rocks have it !

✔ ✘

50% Metamorphic Rocks Rocks have it !

5.3.3 Types of Metamorphism

Not Applicable

5.3.4 Weathering

✔ ✘

78% Sedimentary Rocks Rocks have it !

✔ ✘

65% Metamorphic Rocks Rocks have it !

6.1.1 Types of Weathering

Biological Weathering, Chemical Weathering

Not Applicable

6.1.3 Erosion

✔ ✘

86% Sedimentary Rocks Rocks have it !

✔ ✘

77% Metamorphic Rocks Rocks have it !

6.2.1 Types of Erosion

Chemical Erosion, Coastal Erosion, Wind Erosion

Chemical Erosion, Sea Erosion, Wind Erosion

7 Properties

7.1 Physical Properties

7.1.2 Hardness

6-7

4-5

7.2.1 Grain Size

Coarse or Fine

Fine to Medium Grained

7.3.2 Fracture

Conchoidal

8.2.1 Streak

White

White to Grey

8.3.2 Porosity

Highly Porous

8.3.3 Luster

Dull

Metallic

8.3.5 Compressive Strength

What Is Flint

⊕

▶

▼

95.00 N/mm²

Rank: 20 (Overall)▶

Not Available

Rank: N/A (Overall)▶

▲

What Is Obsidian

⊕

▶

175 (What Is Grani..)

◀ ▶ ADD ⊕

10.1.1 Cleavage

Perfect

Not Available

10.1.3 Toughness

2.6

Not Available

10.1.4 Specific Gravity

2.2-2.8

2.0

10.1.5 Transparency

Opaque

10.1.6 Density

2.2-2.8 g/cm³

Not Available

10.2 Thermal Properties

10.2.1 Specific Heat Capacity

What Is Banded ..

⊕

▶

▼

0.92 kJ/Kg K

Rank: 10 (Overall)▶

0.24 kJ/Kg K

Rank: 24 (Overall)▶

▲

What Is Granulite

⊕

▶

1.09 (What Is Trave..)

◀ ▶ ADD ⊕

10.2.7 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant

11 Reserves

11.1 Deposits in Eastern Continents

11.1.1 Asia

China, India, Kazakhstan, Mongolia, Russia, Uzbekistan

China, India, Indonesia, Russia, Singapore, South Korea

11.1.2 Africa

Namibia, Nigeria, South Africa

Cape Verde, Ethiopia, Ghana, South Africa, Western Africa

11.1.3 Europe

Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom

Albania, France, Germany, Great Britain, United Kingdom

11.1.4 Others

Greenland

Not Yet Found

11.2 Deposits in Western Continents

11.2.1 North America

Canada, USA

11.2.2 South America

Brazil

Brazil, Colombia, Ecuador

11.3 Deposits in Oceania Continent

11.3.1 Australia

New South Wales, New Zealand

New South Wales, South Australia, Western Australia

All about Itacolumite and Gossan Properties

Know all about Itacolumite and Gossan properties here. All properties of rocks are important as they define the type of rock and its application. Itacolumite belongs to Sedimentary Rocks while Gossan belongs to Metamorphic Rocks.Texture of Itacolumite is Clastic, Granular, Rough whereas that of Gossan is Rough, Sandy. Itacolumite appears Rough and Gossan appears Dull and Banded. The luster of Itacolumite is dull while that of Gossan is metallic. Itacolumite is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors whereas Gossan is available in brown, brown- black, gold, green, rust colors. The commercial uses of Itacolumite are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones and that of Gossan are cemetery markers, commemorative tablets, gemstone.