Home
Compare Rocks


Variolite vs Hyaloclastite 


Hyaloclastite  vs Variolite


Definition

Definition
Variolites are a group of dark green basic igneous rocks which exhibit pale colored spots, or spherules, especially on weathered surfaces, that give them a pockmarked appearance   
Hyaloclastite is an aggregate of fine, glassy debris formed by the sudden contact of hot, coherent magma and cold water or water-saturated sediment   

History
  
  

Origin
France   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From Latin varius, speckled, variegated   
From hyalo +‎ -ite   

Class
Igneous Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Soft Rock   

Family
  
  

Group
Volcanic   
Volcanic   

Other Categories
Opaque Rock   
Fine Grained Rock, Opaque Rock   

Texture

Texture
Glassy, Massive, Porphyritic, Scoriaceous, Vesicular   
Pyroclastic   

Color
Black, Brown, Light to Dark Grey   
Brown, Grey, Yellow   

Maintenance
Less   
More   

Durability
Durable   
Durable   

Water Resistant
Yes   
No   

Scratch Resistant
Yes   
No   

Stain Resistant
No   
No   

Wind Resistant
No   
No   

Acid Resistant
Yes   
No   

Appearance
Dull and Soft   
Dull   

Uses

Architecture
  
  

Interior Uses
Floor Tiles, Flooring, Homes, Hotels, Kitchens   
Countertops, Decorative Aggregates, Homes, Interior Decoration   

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

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone   
Building houses or walls, Construction Aggregate   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts, Monuments, Sculpture   
Artifacts, Jewellery, Monuments, Sculpture   

Other Uses
  
  

Commercial Uses
Cemetery Markers, Creating Artwork   
Cemetery Markers, Creating Artwork   

Types

Types
Not Available   
Welded tuff, Rhyolitic tuff, Basaltic tuff, Trachyte tuff and Andesitic tuff.   

Features
Has High structural resistance against erosion and climate, Very fine grained rock   
Always found as volcanic pipes over deep continental crust   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Data Not Available   
Data Not Available   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Data Not Available   

Pictographs
Used   
Used   

Petroglyphs
Used   
Used   

Figurines
Used   
Used   

Fossils
Absent   
Absent   

Formation

Formation
Variolites are a group of dark green basic igneous rocks that exhibit pale colored spots on weathered surfaces that give them a pockmarked appearance.   
Hyaloclastite is a type of Igneous rock is formed through the cooling and solidification of lava or magma.   

Composition
  
  

Mineral Content
Olivine, Plagioclase, Pyroxene   
Calcite, Chlorite   

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

Transformation
  
  

Metamorphism
Yes   
Yes   

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

Weathering
Yes   
Yes   

Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering   
Biological Weathering, Chemical Weathering, Mechanical Weathering   

Erosion
No   
Yes   

Types of Erosion
Not Applicable   
Chemical Erosion, Coastal Erosion   

Properties

Physical Properties
  
  

Hardness
6   
1-2   

Grain Size
Not Applicable   
Fine Grained   

Fracture
Conchoidal   
Not Available   

Streak
White to Grey   
Colorless   

Porosity
Less Porous   
Highly Porous   

Luster
Not Available   
Dull and Grainy   

Compressive Strength
37.50 N/mm2   
27
Not Available   

Cleavage
Not Available   
Not Available   

Toughness
2.3   
Not Available   

Specific Gravity
2.8-3   
Not Available   

Transparency
Opaque   
Opaque   

Density
2.9-3.1 g/cm3   
Not Available   

Thermal Properties
  
  

Specific Heat Capacity
0.84 kJ/Kg K   
15
Not Available   

Resistance
Heat Resistant, Pressure Resistant, Wear Resistant   
Heat Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
India, Russia   
Russia   

Africa
South Africa   
South Africa   

Europe
Iceland   
Iceland   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
Canada, USA   

South America
Brazil   
Brazil, Colombia   

Deposits in Oceania Continent
  
  

Australia
Not Yet Found   
Not Yet Found   

Definition >>
<< All

Variolite vs Hyaloclastite  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 Variolite and Hyaloclastite  Reserves. Variolites are a group of dark green basic igneous rocks which exhibit pale colored spots, or spherules, especially on weathered surfaces, that give them a pockmarked appearance. Hyaloclastite is an aggregate of fine, glassy debris formed by the sudden contact of hot, coherent magma and cold water or water-saturated sediment. 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 Variolite vs Hyaloclastite  information and Variolite vs Hyaloclastite  characteristics in the upcoming sections.

Compare Igneous Rocks

Variolite vs Hyaloclastite  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. Variolite vs Hyaloclastite  characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Variolite and Properties of Hyaloclastite  . Learn more about Variolite vs Hyaloclastite  in the next section. The interior uses of Variolite include Floor tiles, Flooring, Homes, Hotels and Kitchens whereas the interior uses of Hyaloclastite  include Countertops, Decorative aggregates, Homes and Interior decoration. Due to some exceptional properties of Variolite and Hyaloclastite  , they have various applications in construction industry. The uses of Variolite in construction industry include As dimension stone, Cobblestones, Rail track ballast, Roadstone and that of Hyaloclastite  include Building houses or walls, Construction aggregate.

More about Variolite and Hyaloclastite 

Here you can know more about Variolite and Hyaloclastite  . The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Variolite and Hyaloclastite  consists of mineral content and compound content. The mineral content of Variolite includes Olivine, Plagioclase, Pyroxene and mineral content of Hyaloclastite  includes Calcite, Chlorite. You can also check out the list of all Igneous Rocks. When we have to compare Variolite vs Hyaloclastite  , the texture, color and appearance plays an important role in determining the type of rock. Variolite is available in black, brown, light to dark grey colors whereas, Hyaloclastite  is available in brown, grey, yellow colors. Appearance of Variolite is Dull and Soft and that of Hyaloclastite  is Dull. Properties of rock is another aspect for Variolite vs Hyaloclastite  . The hardness of Variolite is 6 and that of Hyaloclastite  is 1-2. The types of Variolite are Not Available whereas types of Hyaloclastite  are Welded tuff, Rhyolitic tuff, Basaltic tuff, Trachyte tuff and Andesitic tuff.. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Variolite is white to grey while that of Hyaloclastite  is colorless. The specific heat capacity of Variolite is 0.84 kJ/Kg K and that of Hyaloclastite  is Not Available. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Variolite is heat resistant, pressure resistant, wear resistant whereas Hyaloclastite  is heat resistant.

Igneous Rocks

Igneous Rocks

» More Igneous Rocks

Compare Igneous Rocks

» More Compare Igneous Rocks