Essexite

Jaspillite

Essexite and Jaspillite

Essexite

Jaspillite

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1 Definition

1.1 Definition

Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock

Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks

1.2 History

1.2.1 Origin

USA

Western Australia, Minnesota

1.2.2 Discoverer

Unknown

1.3 Etymology

From the locality in Essex County, Massachusetts,US

From Jaspilite (Mineral), a compact siliceous rock which resembles jasper

1.4 Class

Igneous Rocks

Sedimentary Rocks

1.4.1 Sub-Class

Durable Rock, Hard Rock

Durable Rock, Soft Rock

1.5 Family

1.5.1 Group

Plutonic

Not Applicable

1.6 Other Categories

Fine Grained Rock, Opaque Rock

Coarse Grained Rock, Opaque Rock

2 Texture

2.1 Texture

Granular

Banded, Trellis

2.2 Color

Dark Grey to Black

Red, Reddish Brown

2.3 Maintenance

Less

2.4 Durability

Durable

2.4.1 Water Resistant

✔ ✘

2.4.2 Scratch Resistant

✔ ✘

2.4.4 Stain Resistant

✔ ✘

2.4.6 Wind Resistant

✔ ✘

2.4.8 Acid Resistant

✔ ✘

2.5 Appearance

Banded

Banded and Glassy

3 Uses

3.1 Architecture

3.1.1 Interior Uses

Decorative Aggregates, Homes, Interior Decoration

Decorative Aggregates, Interior Decoration

3.1.2 Exterior Uses

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

As Facing Stone, Garden Decoration, Paving Stone

3.1.3 Other Architectural Uses

Curbing

3.2 Industry

3.2.1 Construction Industry

As Dimension Stone, Building houses or walls, Cement Manufacture, 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

3.2.2 Medical Industry

Not Yet Used

3.3 Antiquity Uses

Artifacts, Monuments, Sculpture, Small Figurines

Artifacts, Jewellery, Monuments

3.4 Other Uses

3.4.1 Commercial Uses

Cemetery Markers, Commemorative Tablets, Jewelry, Sea Defence, Tombstones

Creating Artwork, Jewelry

4 Types

4.1 Types

Not Available

Algoma-type , Lake Superior-type and Superior-type

4.2 Features

Is one of the oldest rock, Smooth to touch

Is one of the oldest rock

4.3 Archaeological Significance

4.3.1 Monuments

Used

4.3.2 Famous Monuments

Data Not Available

4.3.3 Sculpture

Used

Not Yet Used

4.3.4 Famous Sculptures

Data Not Available

Not Applicable

4.3.5 Pictographs

Not Used

Used

4.3.6 Petroglyphs

Not Used

Used

4.3.7 Figurines

Used

Not Yet Used

4.4 Fossils

Absent

Present

5 Formation

5.1 Formation

Essexite is a type of igneous rock, which is usually dark grey to black plutonic rock. For the formation of essexite, suitable magma with exact composition of K, Ba, Rb, Cs, Sr should be produced.

Jaspillite is a type of sedimentary rock which is formed by the compaction and sedimentation of pieces of broken or weathered rocks and minerals.

5.2 Composition

5.2.1 Mineral Content

Augite, Feldspar, Hornblende, Nepheline, Olivine, Plagioclase, Pyroxene

Coesite, Quartz, Sand

5.2.2 Compound Content

Aluminium Oxide, Ba, Ca, Cs, Potassium, Rb, Sodium, Sr

Fe, Iron(III) Oxide, Silicon Dioxide

5.3 Transformation

5.3.1 Metamorphism

✔ ✘

5.3.2 Types of Metamorphism

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

Not Applicable

5.3.3 Weathering

✔ ✘

5.3.4 Types of Weathering

Biological Weathering, Chemical Weathering

5.3.5 Erosion

✔ ✘

5.3.6 Types of Erosion

Coastal Erosion, Glacier Erosion, Water Erosion

Chemical Erosion, Coastal Erosion

6 Properties

6.1 Physical Properties

6.1.1 Hardness

1 7

6.1.4 Grain Size

Fine Grained

Large and Coarse Grained

6.1.6 Fracture

Conchoidal

6.1.7 Streak

Black

White

6.1.8 Porosity

Highly Porous

Very Less Porous

6.1.9 Luster

Not Available

Earthy

6.1.10 Compressive Strength

NA230.00 N/mm²

0.15 450

6.2.2 Cleavage

Not Available

Imperfect

6.2.3 Toughness

1.6

Not Available

6.2.4 Specific Gravity

Not Available5.0-5.3

0 8.4

6.2.5 Transparency

Opaque

Translucent to Opaque

6.2.6 Density

Not Available0-5.7 g/cm³

0 1400

6.3 Thermal Properties

6.3.1 Specific Heat Capacity

NA3.20 kJ/Kg K

0.14 3.2

6.3.2 Resistance

Impact Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Impact Resistant, Wear Resistant

7 Reserves

7.1 Deposits in Eastern Continents

7.1.1 Asia

India, Russia

Russia

7.1.2 Africa

South Africa

Not Yet Found

7.1.3 Europe

Germany, Greece, Italy, Scotland, Turkey

Ukraine

7.1.4 Others

Greenland

Not Yet Found

7.2 Deposits in Western Continents

7.2.1 North America

Canada, USA

7.2.2 South America

Brazil, Colombia, Venezuela

Brazil

7.3 Deposits in Oceania Continent

7.3.1 Australia

New Zealand, Queensland

Western Australia

All about Essexite and Jaspillite Properties

Know all about Essexite and Jaspillite properties here. All properties of rocks are important as they define the type of rock and its application. Essexite belongs to Igneous Rocks while Jaspillite belongs to Sedimentary Rocks.Texture of Essexite is Granular whereas that of Jaspillite is Banded, Trellis. Essexite appears Banded and Jaspillite appears Banded and Glassy. The luster of Essexite is not available while that of Jaspillite is earthy. Essexite is available in dark grey to black colors whereas Jaspillite is available in red, reddish brown colors. The commercial uses of Essexite are cemetery markers, commemorative tablets, jewelry, sea defence, tombstones and that of Jaspillite are creating artwork, jewelry.