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Hornblendite Rock



Definition

Definition
Hornblendite is a type of igneous plutonic rock consisting mainly of amphibole hornblende and is a type of Amphibolite rock

History

Origin
-

Discoverer
Unknown

Etymology
From German, Horn horn + blende

Class
Igneous Rocks

Sub-Class
Durable Rock, Hard Rock

Family

Group
Plutonic

Other Categories
Coarse Grained Rock, Medium Grained Rock, Opaque Rock

Texture

Texture
Banded, Foliated, Massive

Color
Black, Brown, Green, Grey

Maintenance
Less

Durability
Durable

Water Resistant
Yes

Scratch Resistant
Yes

Stain Resistant
No

Wind Resistant
Yes

Acid Resistant
No

Appearance
Foliated

Uses

Architecture

Interior Uses
Countertops, Decorative Aggregates, Entryways, Flooring, Homes, Hotels, Interior Decoration, Kitchens

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

Other Architectural Uses
Curbing

Industry

Construction Industry
As Dimension Stone, Building houses or walls, Cobblestones, Construction Aggregate, for Road Aggregate, Landscaping, Production of Glass and Ceramics, Roadstone

Medical Industry
-

Antiquity Uses
Artifacts, Sculpture, Small Figurines

Other Uses

Commercial Uses
Cemetery Markers, Commemorative Tablets, Creating Artwork

Types

Types
Hornblende Gabbro and Hornblende Peridotite

Features
Clasts are smooth to touch, Matrix variable, Surfaces are often shiny

Archaeological Significance

Monuments
-

Famous Monuments
-

Sculpture
-

Famous Sculptures
-

Pictographs
-

Petroglyphs
-

Figurines
-

Fossils
Absent

Formation

Formation
Hornblendite 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.

Composition

Mineral Content
Amphibole, Calcite, Hornblade, Magnetite, Plagioclase, Wollastonite

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

Transformation

Metamorphism
No

Types of Metamorphism
-

Weathering
Yes

Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion
Yes

Types of Erosion
Chemical Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness
6-7

Grain Size
Medium to Coarse Grained

Fracture
Irregular to Conchoidal

Streak
White to Grey

Porosity
Less Porous

Luster
Vitreous to Dull

Compressive Strength
250.00 N/mm2 5

Cleavage
-

Toughness
2.3

Specific Gravity
2.5

Transparency
Opaque

Density
2.85-3.07 g/cm3

Thermal Properties

Specific Heat Capacity
0.84 kJ/Kg K 15

Resistance
Heat Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia
Russia, Turkey

Africa
Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda

Europe
Germany, Greece, Iceland, Norway, Poland

Others
-

Deposits in Western Continents

North America
Canada, USA

South America
Brazil

Deposits in Oceania Continent

Australia
South Australia, Western Australia

Definition >>
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Igneous Rocks

Information about Hornblendite

Rocks are naturally occurring solids which are composed of minerals & have been used by humans since ages. From Stone Age, rocks are used for various purposes. Also, the metals and minerals found in rock play an important role in our life. Get to know all the Hornblendite Uses. We have provided you with all information about Hornblendite rock here. Hornblendite is a type of igneous plutonic rock consisting mainly of amphibole hornblende and is a type of Amphibolite rock. Hornblendite is available in black, brown, green, grey colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Hornblendite is white to grey. Get to know more about Hornblendite rock and characteristics of Hornblendite rock in the next sections.

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