Picrite

Talc carbonate

Picrite vs Talc carbonate

Picrite

Talc carbonate

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Definition

Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine

Talc carbonate is nothing but a rock sequence or a mineral composition found in metamorphic ultramafic rocks.

History

Origin

Hawaii Islands

China, USA, Middle east

Discoverer

Unknown

Etymology

From Greek pikros bitter + -ite, 19th century

From medieval Latin, talcum

Class

Igneous Rocks

Metamorphic Rocks

Sub-Class

Durable Rock, Hard Rock

Durable Rock, Soft Rock

Family

Group

Volcanic

Other Categories

Fine Grained Rock, Opaque Rock

Texture

Earthy, Rough

Very Soft

Color

Black, Brown, Green, Grey, Pink, White, Yellow

Grey, White

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Rough and Shiny

Soft

Uses

Architecture

Interior Uses

Countertops, Decorative Aggregates, Homes, Interior Decoration

Decorative Aggregates, Interior Decoration

Exterior Uses

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

Garden Decoration

Other Architectural Uses

Curbing

Powder

Industry

Construction Industry

As a Sintering Agent in Steel Industry to process Iron Ore, Cement Manufacture, for Road Aggregate, Manufacture of Magnesium and Dolomite Refractories, Roadstone, Used for flooring, stair treads, borders and window sills.

Source of calcium

Medical Industry

Taken as a Supplement for Calcium or Magnesium

Antiquity Uses

Artifacts, Monuments, Sculpture

Artifacts, Jewellery, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

As a Feed Additive for Livestock, As armour rock for sea walls, Metallurgical Flux, Pottery, Source of Magnesia (MgO)

Manufacturing of baby powder

Types

Oceanite

Sedimentary rock

Features

Host Rock for Lead

Easily splits into thin plates, Generally rough to touch, Host Rock for Lead

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Absent

Formation

Picrite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.

Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Talc Carbonate is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.

Composition

Mineral Content

Biotite, Olivine, Plagioclase, Pyrrhotite

Carbonate, Chlorite, Magnesium

Compound Content

Al, CaO, Carbon Dioxide, Mg, MgO

CaO, Carbon Dioxide, MgO

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Impact Metamorphism, Regional Metamorphism

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

Weathering

✔ ✘

Types of Weathering

Biological Weathering

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

6.81-2

1 7

👆🏻

Grain Size

Fine Grained

Fracture

Uneven

Flat

Streak

White, Greenish White or Grey

White

Porosity

Less Porous

Luster

Subvitreous to Dull

Pearly

Compressive Strength

189.00 N/mm²250.00 N/mm²

0.15 450

👆🏻

Cleavage

Perfect

Toughness

2.1

Specific Gravity

2.75-2.922.86

0 8.4

👆🏻

Transparency

Opaque

Translucent

Density

1.5-2.5 g/cm³2.8-2.9 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.88 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

👆🏻

Resistance

Heat Resistant

Heat Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

India, Russia

Africa

South Africa

Ethiopia, Ghana, Western Africa

Europe

Iceland

England

Others

Deposits in Western Continents

North America

Canada, USA

South America

Brazil

Argentina, Bolivia, Uruguay

Deposits in Oceania Continent

Australia

Central Australia, South Australia, Western Australia

Picrite vs Talc carbonate Information

Earth’s outer layer is covered by rocks and these rocks have different physical and chemical properties. As two rocks are not same, it’s fun to compare them. You can also know more about Picrite and Talc carbonate Reserves. Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine. Talc carbonate is nothing but a rock sequence or a mineral composition found in metamorphic ultramafic rocks.. These rocks are composed of many distinct minerals. The process of formation of rocks is different for various rocks. Rocks are quarried from many years for various purposes. You can check out Picrite vs Talc carbonate information and Picrite vs Talc carbonate characteristics in the upcoming sections.

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Picrite vs Talc carbonate Characteristics

Though some rocks look identical, they have certain characteristics which distinguish them from others. Characteristics of rocks include texture, appearance, color, fracture, streak, hardness etc. Picrite vs Talc carbonate characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Picrite and Properties of Talc carbonate. Learn more about Picrite vs Talc carbonate in the next section. The interior uses of Picrite include Countertops, Decorative aggregates, Homes and Interior decoration whereas the interior uses of Talc carbonate include Decorative aggregates and Interior decoration. Due to some exceptional properties of Picrite and Talc carbonate, they have various applications in construction industry. The uses of Picrite in construction industry include As a sintering agent in steel industry to process iron ore, Cement manufacture, For road aggregate, Manufacture of magnesium and dolomite refractories, Roadstone, Used for flooring, stair treads, borders and window sills. and that of Talc carbonate include Source of calcium.

More about Picrite and Talc carbonate

Here you can know more about Picrite and Talc carbonate. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Picrite and Talc carbonate consists of mineral content and compound content. The mineral content of Picrite includes Biotite, Olivine, Plagioclase, Pyrrhotite and mineral content of Talc carbonate includes Carbonate, Chlorite, Magnesium. You can also check out the list of all Igneous Rocks. When we have to compare Picrite vs Talc carbonate, the texture, color and appearance plays an important role in determining the type of rock. Picrite is available in black, brown, green, grey, pink, white, yellow colors whereas, Talc carbonate is available in grey, white colors. Appearance of Picrite is Rough and Shiny and that of Talc carbonate is Soft. Properties of rock is another aspect for Picrite vs Talc carbonate. The hardness of Picrite is 6.8 and that of Talc carbonate is 1-2. The types of Picrite are Oceanite whereas types of Talc carbonate are Sedimentary rock. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Picrite and Talc carbonate is white, greenish white or grey. The specific heat capacity of Picrite is 0.88 kJ/Kg K and that of Talc carbonate is 0.92 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Picrite is heat resistant whereas Talc carbonate is heat resistant, wear resistant.