Syenite

Jadeitite

Syenite and Jadeitite

Syenite

Jadeitite

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Definition

Syenite is a coarse-grained igneous rock which is composed mainly of alkali feldspar and various ferromagnesian minerals

Jadeitite is a metamorphic rock usually found in blueschist grade metamorphic terrains

History

Origin

Discoverer

Unknown

Etymology

From French syénite, from Latin Syenites (lapis ) (stone) of Syene

From pyroxene mineral jadeite

Class

Igneous Rocks

Metamorphic Rocks

Sub-Class

Durable Rock, Medium Hardness Rock

Family

Group

Plutonic

Other Categories

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

Fine Grained Rock, Opaque Rock

Texture

Earthy

Color

Brown, Buff, Cream, Green, Grey, Pink, White

Black, Brown, Green, Grey, White

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Banded and Foilated

Rough and Dull

Uses

Architecture

Interior Uses

Flooring, Homes, Hotels, Interior Decoration

Decorative Aggregates, Homes, Interior Decoration

Exterior Uses

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

Garden Decoration, Office Buildings, Paving Stone

Other Architectural Uses

Curbing

Industry

Construction Industry

As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate, Landscaping, Making natural cement, Manufacture of Magnesium and Dolomite Refractories

As Dimension Stone, Cutting Tool, Knives

Medical Industry

Antiquity Uses

Artifacts, Monuments, Sculpture, Small Figurines

Artifacts, Jewellery, Monuments, Sculpture

Other Uses

Commercial Uses

Cemetery Markers, Creating Artwork

Commemorative Tablets, Creating Artwork, Jewelry

Types

Shonkinite

Metamorphic rock

Features

Available in Lots of Colors and Patterns, Is one of the oldest rock, Matrix variable

Host Rock for Lead

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Absent

Formation

Syenites are formed due to alkaline igneous activities and are generally formed in thick continental crustal areas or in Cordilleran subduction zones.

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

Composition

Mineral Content

Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz

Carbonate, Magnetite, Pyrrhotite, Serpentine, Sulfides

Compound Content

Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide

Ca, CaO, Carbon Dioxide, KCl, MgO, Sulfur Dioxide, Sulphur

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

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

Cataclastic Metamorphism, Contact Metamorphism, Regional Metamorphism

Weathering

✔ ✘

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

✔ ✘

Types of Erosion

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

Coastal Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

5.5-63-5

1 7

👆🏻

Grain Size

Medium to Fine Coarse Grained

Very fine-grained

Fracture

Uneven

Streak

White

White, Greenish White or Grey

Porosity

Less Porous

Luster

Subvitreous to Dull

Waxy and Dull

Compressive Strength

150.00 N/mm²310.00 N/mm²

0.15 450

👆🏻

Cleavage

Perfect

Toughness

Specific Gravity

2.6-2.72.79-3

0 8.4

👆🏻

Transparency

Opaque

Density

2.6-2.8 g/cm³2.5-3 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.92 kJ/Kg K0.95 kJ/Kg K

0.14 3.2

👆🏻

Resistance

Heat Resistant, Impact Resistant, Wear Resistant

Heat Resistant, Water Resistant

Reserves

Deposits in Eastern Continents

Asia

China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam

India, Saudi Arabia, Singapore, South Korea

Africa

Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa

Ethiopia, Western Africa

Europe

Bulgaria, England, Germany, Norway, Romania, Switzerland

England, Georgia, Switzerland, United Kingdom

Others

Deposits in Western Continents

North America

USA

Canada

South America

Brazil, Chile

Colombia

Deposits in Oceania Continent

Australia

New Zealand, Queensland, South Australia, Western Australia

Central Australia, New South Wales, New Zealand, Western Australia

All about Syenite and Jadeitite Properties

Know all about Syenite and Jadeitite properties here. All properties of rocks are important as they define the type of rock and its application. Syenite belongs to Igneous Rocks while Jadeitite belongs to Metamorphic Rocks.Texture of Syenite is Earthy whereas that of Jadeitite is Earthy. Syenite appears Banded and Foilated and Jadeitite appears Rough and Dull. The luster of Syenite is subvitreous to dull while that of Jadeitite is waxy and dull. Syenite is available in brown, buff, cream, green, grey, pink, white colors whereas Jadeitite is available in black, brown, green, grey, white colors. The commercial uses of Syenite are cemetery markers, creating artwork and that of Jadeitite are commemorative tablets, creating artwork, jewelry.