Rhomb Porphyry Rock | History

Definition

Rhomb-porphyry is a porphyritic igneous rock with abundant wedge or lens shaped anorthoclase or feldspar phenocrysts

History

Origin

Discoverer

Unknown

Etymology

From Latin term that means purple

Class

Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock

Family

Group

Volcanic

Other Categories

Fine Grained Rock, Opaque Rock

Texture

Aphanitic to Porphyritic

Color

Black, Brown, Green, Grey, Pink, White

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

81% - Igneous Rocks Rocks have it !

Scratch Resistant

✔ ✘

86% - Igneous Rocks Rocks

Stain Resistant

✔ ✘

66% - Igneous Rocks Rocks have it !

Wind Resistant

✔ ✘

49% - Igneous Rocks Rocks have it !

Acid Resistant

✔ ✘

48% - Igneous Rocks Rocks

Appearance

Rough

Uses

Architecture

Interior Uses

Decorative Aggregates, Homes, Interior Decoration

Exterior Uses

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

Other Architectural Uses

Curbing

Industry

Construction Industry

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

Antiquity Uses

Artifacts, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

An Oil and Gas Reservoir, As a Feed Additive for Livestock, Metallurgical Flux, Soil Conditioner, Source of Magnesia (MgO)

Types

Igneous rock

Features

Host Rock for Lead

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Absent

Formation

Rhomb-porphyry 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

Alkali feldspar, Biotite, Plagioclase, Pyroxene

Compound Content

CaO, Cl, MgO

Transformation

Metamorphism

✔ ✘

97% - Igneous Rocks Rocks have it !

Types of Metamorphism

Impact Metamorphism

Weathering

✔ ✘

99% - Igneous Rocks Rocks have it !

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

✔ ✘

92% - Igneous Rocks Rocks have it !

Types of Erosion

Chemical Erosion, Coastal Erosion, Glacier Erosion, Water Erosion

Properties

Physical Properties

Hardness

5-5.5

1 7

👆🏻

Grain Size

Fine Grained

Fracture

Conchoidal

Streak

White

Porosity

Very Less Porous

Luster

Subvitreous to Dull

Compressive Strength

310.00 N/mm²

Rank: 2 (Overall)

0.15 450

👆🏻

Cleavage

Perfect

Toughness

2.7

Specific Gravity

2.86

0 8.4

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Transparency

Translucent

Density

2.8-2.9 g/cm³

0 1400

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Thermal Properties

Specific Heat Capacity

0.92 kJ/Kg K

Rank: 10 (Overall)

0.14 3.2

👆🏻

Resistance

Heat Resistant, Pressure Resistant

Reserves

Deposits in Eastern Continents

Asia

Africa

Europe

Bulgaria

Others

Deposits in Western Continents

North America

USA