Andesite and Evaporite

Andesite

Evaporite

Definition

Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava

A water-soluble mineral sediment resulting from concentration and crystallization by evaporation from an aqueous solution

History

Origin

North America

USA

Discoverer

Unknown

Usiglio

Etymology

From Andes mountains, where it is found in abundance

From a sediment left after the evaporation

Class

Igneous Rocks

Sedimentary Rocks

Sub-Class

Durable Rock, Hard Rock

Durable Rock, Soft Rock

Family

Group

Volcanic

Not Applicable

Other Categories

Fine Grained Rock, Opaque Rock

Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock

Texture

Aphanitic to Porphyritic

Earthy

Color

Bluish - Grey, Grey, Pink, Yellow

Colourless, Green, Grey, Silver, White

Maintenance

Less

Durability

Durable

Water Resistant

Yes

Scratch Resistant

Yes

Stain Resistant

Yes

Wind Resistant

Yes

Acid Resistant

Yes

Appearance

Dull and Soft

Glassy, Vesicular and Foilated

Uses

Architecture

Interior Uses

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

Decorative Aggregates, Entryways, Flooring, Homes, Interior Decoration

Exterior Uses

Office Buildings, Roof Tiles

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

Other Architectural Uses

Curbing

Industry

Construction Industry

Cobblestones, Construction Aggregate, for Road Aggregate

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

Medical Industry

Not Yet Used

Taken as a Supplement for Calcium or Magnesium

Antiquity Uses

Artifacts, Monuments, Sculpture, Small Figurines

Artifacts

Other Uses

Commercial Uses

Commemorative Tablets, Creating Artwork

Used in the manufacture of Ceramic Powder, Used in the preparation of Sulfuric Acid and Silicon Diborite

Types

Icelandite

Not Available

Features

Generally rough to touch, High silica content, Is one of the oldest rock

Generally rough to touch, Splintery, Veined

Archaeological Significance

Monuments

Used

Not Yet Used

Famous Monuments

Middle of the Earth in Ecuador

Not Applicable

Sculpture

Used

Not Yet Used

Famous Sculptures

Data Not Available

Not Applicable

Pictographs

Not Used

Used

Petroglyphs

Not Used

Used

Figurines

Used

Not Yet Used

Fossils

Absent

Present

Formation

Andesite is a fine-grained igneous rock that forms when the magma is erupted onto the surface and is crystallized quickly.

Evaporite is water-soluble mineral sediment which forms from concentration and crystallization by evaporation from an aqueous solution.

Composition

Mineral Content

Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite, Magnetite, Plagioclase, Pyroxene, Zircon

Calcite, Cancrinite, Gypsum, Kyanite, Magnetite

Compound Content

Silicon Dioxide

CaMg(CO₃)₂, CaO, Calcium Sulfate, KCl, MgO, NaCl

Transformation

Metamorphism

Yes

Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Impact Metamorphism, Regional Metamorphism

Weathering

Yes

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

Not Applicable

Erosion

Yes

Types of Erosion

Chemical Erosion, Coastal Erosion, Glacier Erosion

Not Applicable

Properties

Physical Properties

Hardness

2-3

Grain Size

Very fine-grained

Medium to Fine Coarse Grained

Fracture

Uneven

Conchoidal

Streak

White

Porosity

Less Porous

Luster

Vitreous

Subvitreous to Dull

Compressive Strength

225.00 N/mm²

Cleavage

Not Available

Perfect

Toughness

1.1

Not Available

Specific Gravity

2.5-2.8

2.86-2.99

Transparency

Opaque

Translucent

Density

2.11-2.36 g/cm³

2.8-2.9 g/cm³

Thermal Properties

Specific Heat Capacity

2.39 kJ/Kg K

0.92 kJ/Kg K

Resistance

Heat Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Pressure Resistant

Reserves

Deposits in Eastern Continents

Asia

India, Indonesia, Japan, Nepal, South Korea

Not Available

Africa

Egypt, Ethiopia, Morocco, Namibia, South Africa, Tanzania

Not Available

Europe

Austria, Finland, Germany, Italy, Romania, Turkey, United Kingdom

United Kingdom

Others

Not Yet Found

Deposits in Western Continents

North America

Mexico, USA

USA

South America

Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela

Colombia, Paraguay

Deposits in Oceania Continent

Australia

New South Wales, New Zealand, Western Australia

Central Australia, Western Australia

Summary >>

<< Reserves

All about Andesite and Evaporite Properties

Know all about Andesite and Evaporite properties here. All properties of rocks are important as they define the type of rock and its application. Andesite belongs to Igneous Rocks while Evaporite belongs to Sedimentary Rocks.Texture of Andesite is Aphanitic to Porphyritic whereas that of Evaporite is Earthy. Andesite appears Dull and Soft and Evaporite appears Glassy, Vesicular and Foilated. The luster of Andesite is vitreous while that of Evaporite is subvitreous to dull. Andesite is available in bluish - grey, grey, pink, yellow colors whereas Evaporite is available in colourless, green, grey, silver, white colors. The commercial uses of Andesite are commemorative tablets, creating artwork and that of Evaporite are used in the manufacture of ceramic powder, used in the preparation of sulfuric acid and silicon diborite.