Quartzite

Benmoreite

Quartzite and Benmoreite

Quartzite

Benmoreite

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Definition

Quartzite is a non-foliated metamorphic rock that forms by the metamorphism of pure quartz Sandstone

An iron rich extrusive rock found as a member of the alkali basalt magma series

History

Origin

Isle of Mull, Scotland

Discoverer

Unknown

Ben More

Etymology

From quartz + -ite

From the name of discoverer, Ben More

Class

Metamorphic Rocks

Igneous Rocks

Sub-Class

Durable Rock, Hard Rock

Durable Rock, Medium Hardness Rock

Family

Group

Volcanic

Other Categories

Medium Grained Rock, Opaque Rock

Fine Grained Rock, Opaque Rock

Texture

Foliated, Granular

Glassy, Massive, Porphyritic, Scoriaceous, Trachytic, Vesicular

Color

Black, Blue, Brown, Green, Light Grey, Purple, White, Yellow

Black, Brown, Light to Dark Grey

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

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Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Lustrous

Rough and Dull

Uses

Architecture

Interior Uses

Countertops, Decorative Aggregates, Flooring, Homes

Floor Tiles, Homes, Hotels, Kitchens

Exterior Uses

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

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

Other Architectural Uses

Curbing

Industry

Construction Industry

Arrowheads, As Dimension Stone, Cement Manufacture, Construction Aggregate, Cutting Tool, for Road Aggregate, Making natural cement, Production of Glass and Ceramics, Rail Track Ballast, Roadstone

As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone

Medical Industry

Antiquity Uses

Artifacts, Jewellery, Monuments, Sculpture

Artifacts, Monuments, Sculpture

Other Uses

Commercial Uses

An Oil and Gas Reservoir, As armour rock for sea walls, Cemetery Markers, Commemorative Tablets, In aquifers, Laboratory bench tops, Petroleum reservoirs, Soil Conditioner, Source of Magnesia (MgO), Tombstones, Used in aquariums

Commemorative Tablets, Creating Artwork, Curling

Types

Orthoquartzite and Metaquartzite

Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB) and Tholeiitic Basalt

Features

Generally rough to touch, Is one of the oldest rock

Has High structural resistance against erosion and climate, Very fine grained rock

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Absent

Formation

Quartzite forms from sandstone and the mineral quartz being put under extreme heat and pressure.

Benmoreite is a type of Igneous rock which is formed through the cooling and solidification of lava or magma. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.

Composition

Mineral Content

Chlorite, Epidote, Hematite, Kyanite, Magnetite, Muscovite or Illite, Quartz

Alkali feldspar, Biotite, Olivine, Plagioclase, Pyroxene, Sodic plagioclase

Compound Content

Aluminium Oxide, CaO, Iron(III) Oxide, MgO, Sodium Oxide, Silicon Dioxide

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

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Hydrothermal Metamorphism, Regional Metamorphism

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

Weathering

✔ ✘

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion

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

Properties

Physical Properties

Hardness

6-76

1 7

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Grain Size

Medium Grained

Fine Grained

Fracture

Uneven, Splintery or Conchoidal

Conchoidal

Streak

White

Black

Porosity

Less Porous

Luster

Vitreous

Earthy

Compressive Strength

115.00 N/mm²37.40 N/mm²

0.15 450

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Cleavage

Indiscernible

Perfect

Toughness

1.9

2.3

Specific Gravity

2.6-2.82.8-3

0 8.4

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Transparency

Transparent to Translucent

Opaque

Density

2.32-2.42 g/cm³2.9-3.1 g/cm³

0 1400

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Thermal Properties

Specific Heat Capacity

0.75 kJ/Kg K0.84 kJ/Kg K

0.14 3.2

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Resistance

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

China, India, Israel, Russia, South Korea, Thailand, Turkey

India, Russia

Africa

Ethiopia, Morocco, South Africa, Zimbabwe

South Africa

Europe

England, Italy, Norway, Scotland, Sweden, United Kingdom

Iceland

Others

Greenland

Deposits in Western Continents

North America

Bahamas, Canada, USA

Canada, USA

South America

Brazil, Colombia, Venezuela

Brazil

Deposits in Oceania Continent

Australia

New Zealand, Queensland, Western Australia

All about Quartzite and Benmoreite Properties

Know all about Quartzite and Benmoreite properties here. All properties of rocks are important as they define the type of rock and its application. Quartzite belongs to Metamorphic Rocks while Benmoreite belongs to Igneous Rocks.Texture of Quartzite is Foliated, Granular whereas that of Benmoreite is Glassy, Massive, Porphyritic, Scoriaceous, Trachytic, Vesicular. Quartzite appears Lustrous and Benmoreite appears Rough and Dull. The luster of Quartzite is vitreous while that of Benmoreite is earthy. Quartzite is available in black, blue, brown, green, light grey, purple, white, yellow colors whereas Benmoreite is available in black, brown, light to dark grey colors. The commercial uses of Quartzite are an oil and gas reservoir, as armour rock for sea walls, cemetery markers, commemorative tablets, in aquifers, laboratory bench tops, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones, used in aquariums and that of Benmoreite are commemorative tablets, creating artwork, curling.