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Dolomite
Dolomite

Novaculite
Novaculite



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Dolomite vs Novaculite

Definition

Definition

Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight
Novaculite is a dense, hard, fine-grained, siliceous metamorpic rock which is a type of chert that breaks with conchoidal fracture

History

Origin

Southern Alps, France
-

Discoverer

Dolomieu
Unknown

Etymology

From French, from the name of Dolomieu (1750–1801), the French geologist who discovered the rock
From Latin word novacula, for razor stone

Class

Sedimentary Rocks
Sedimentary Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock

Family

Group

-
-

Other Categories

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

Texture

Texture

Earthy
Banded, Glassy, Rough, Vitreous

Color

Black, Brown, Green, Grey, Pink, White
Black, Brown, Green, Grey, Red, White

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Glassy or Pearly
Glassy or Pearly

Uses

Architecture

Interior Uses

Decorative Aggregates, Homes, Interior Decoration
Countertops, Decorative Aggregates, Flooring, Interior Decoration

Exterior Uses

Garden Decoration, Office Buildings
As Building Stone, Garden Decoration

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, Production of Glass and Ceramics, Serves as an Oil and Gas Reservoir rock
Arrowheads, Building houses or walls, Cement Manufacture, Construction Aggregate, Cutting Tool, for Road Aggregate, Knives, Landscaping, Making natural cement, Production of Glass and Ceramics, Rail Track Ballast, Roadstone, Spear Points, Used to sharpen metal tools and weapons

Medical Industry

Taken as a Supplement for Calcium or Magnesium
-

Antiquity Uses

Artifacts, Jewellery, Monuments, Sculpture, Small Figurines
Artifacts, Monuments

Other Uses

Commercial Uses

An Oil and Gas Reservoir, As a Feed Additive for Livestock, Gemstone, Metallurgical Flux, Production of Lime, Soil Conditioner, Source of Magnesia (MgO)
Cemetery Markers, Gemstone, In aquifers, In fire-starting tools, Jewelry, Manufacture of tools, Pebbles are used in ball mills to grind in ceramics industry, To determine the gold content of jewelry

Types

Types

Boninite and Jasperoid
Sedimentary rock

Features

Host Rock for Lead, Traps for subsurface fluids like Oil and Natural Gas., Zinc and Copper Deposits
Clasts are smooth to touch, Easily splits into thin plates, Has High structural resistance against erosion and climate

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Present
Present

Formation

Formation

Dolomite rocks are originally deposited as calcite or aragonite rich limestone, but during diagenesis process, the calcite or aragonite is transformed into dolomite.
Novaculite forms when microcrystals of silicon dioxide grow within soft sediments that become limestone or chalk. The formation of Novaculite can be either of chemical or biological origin.

Composition

Mineral Content

Clay Minerals, Pyrite, Quartz, Sulfides
Quartz, Silicon

Compound Content

NaCl, CaO, Carbon Dioxide, Magnesium Carbonate, MgO
Ca, Silicon Dioxide

Transformation

Metamorphism

Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism
-

Weathering

Types of Weathering

-
-

Erosion

Types of Erosion

-
Chemical Erosion, Coastal Erosion, Glacier Erosion

Properties

Physical Properties

Hardness

3.5-47
1 7
👆🏻

Grain Size

Medium to Fine Coarse Grained
Fine Grained

Fracture

Conchoidal
Conchoidal

Streak

White
-

Porosity

Less Porous
Less Porous

Luster

Vitreous and Pearly
Waxy and Dull

Compressive Strength

140.00 N/mm2450.00 N/mm2
0.15 450
👆🏻

Cleavage

Perfect
-

Toughness

1
1.5

Specific Gravity

2.8-32.5-2.7
0 8.4
👆🏻

Transparency

Transparent to Translucent
Translucent to Opaque

Density

2.8-2.9 g/cm32.7 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.92 kJ/Kg K0.74 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

China, India
China, India, Iran, Japan, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam

Africa

Morocco, Namibia
Kenya, Morocco, South Africa, Tanzania

Europe

Austria, Italy, Romania, Spain, Switzerland
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom

Others

-
Greenland, Mid-Atlantic Ridge

Deposits in Western Continents

North America

Mexico, USA
Canada, Mexico, USA

South America

Brazil, Colombia
Bolivia, Brazil

Deposits in Oceania Continent

Australia

New South Wales, Queensland, Yorke Peninsula
New South Wales, Queensland, South Australia, Western Australia

Dolomite vs Novaculite Information

Earth’s outer layer is covered by rocks and these rocks have different physical and chemical properties. As two rocks are not same, it’s fun to compare them. You can also know more about Dolomite and Novaculite Reserves. Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight. Novaculite is a dense, hard, fine-grained, siliceous metamorpic rock which is a type of chert that breaks with conchoidal fracture. These rocks are composed of many distinct minerals. The process of formation of rocks is different for various rocks. Rocks are quarried from many years for various purposes. You can check out Dolomite vs Novaculite information and Dolomite vs Novaculite characteristics in the upcoming sections.

Dolomite vs Novaculite Characteristics

Though some rocks look identical, they have certain characteristics which distinguish them from others. Characteristics of rocks include texture, appearance, color, fracture, streak, hardness etc. Dolomite vs Novaculite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Dolomite and Properties of Novaculite. Learn more about Dolomite vs Novaculite in the next section. The interior uses of Dolomite include Decorative aggregates, Homes and Interior decoration whereas the interior uses of Novaculite include Countertops, Decorative aggregates, Flooring and Interior decoration. Due to some exceptional properties of Dolomite and Novaculite, they have various applications in construction industry. The uses of Dolomite in construction industry include 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, Production of glass and ceramics, Serves as an oil and gas reservoir rock and that of Novaculite include Arrowheads, Building houses or walls, Cement manufacture, Construction aggregate, Cutting tool, For road aggregate, Knives, Landscaping, Making natural cement, Production of glass and ceramics, Rail track ballast, Roadstone, Spear points, Used to sharpen metal tools and weapons.

More about Dolomite and Novaculite

Here you can know more about Dolomite and Novaculite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Dolomite and Novaculite consists of mineral content and compound content. The mineral content of Dolomite includes Clay Minerals, Pyrite, Quartz, Sulfides and mineral content of Novaculite includes Quartz, Silicon. You can also check out the list of all Sedimentary Rocks. When we have to compare Dolomite vs Novaculite, the texture, color and appearance plays an important role in determining the type of rock. Dolomite is available in black, brown, green, grey, pink, white colors whereas, Novaculite is available in black, brown, green, grey, red, white colors. Appearance of Dolomite is Glassy or Pearly and that of Novaculite is Glassy or Pearly. Properties of rock is another aspect for Dolomite vs Novaculite. The hardness of Dolomite is 3.5-4 and that of Novaculite is 7. The types of Dolomite are Boninite and Jasperoid whereas types of Novaculite are Sedimentary rock. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Dolomite is white while that of Novaculite is . The specific heat capacity of Dolomite is 0.92 kJ/Kg K and that of Novaculite is 0.74 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Dolomite is heat resistant, pressure resistant, wear resistant whereas Novaculite is heat resistant, impact resistant, pressure resistant, wear resistant.