Definition
Rhyolite is a fine-grained igneous rock which is rich in silica
  
Talc carbonate is nothing but a rock sequence or a mineral composition found in metamorphic ultramafic rocks.
  
History
  
  
Origin
North America
  
China, USA, Middle east
  
Discoverer
Ferdinand von Richthofen
  
Unknown
  
Etymology
From German Rhyolit, from Greek rhuax lava stream + lithos stone
  
From medieval Latin, talcum
  
Class
Igneous Rocks
  
Metamorphic Rocks
  
Sub-Class
Durable Rock, Hard Rock
  
Durable Rock, Soft Rock
  
Family
  
  
Group
Volcanic
  
Not Applicable
  
Other Categories
Coarse Grained Rock, Opaque Rock
  
Fine Grained Rock, Opaque Rock
  
Texture
Aphanitic, Glassy, Porphyritic
  
Very Soft
  
Color
Grey, White, Light Black
  
Colourless, Grey, White
  
Maintenance
More
  
Less
  
Durability
Durable
  
Durable
  
Water Resistant
Yes
  
Yes
  
Scratch Resistant
Yes
  
Yes
  
Stain Resistant
Yes
  
No
  
Wind Resistant
Yes
  
No
  
Acid Resistant
Yes
  
No
  
Appearance
Banded
  
Soft
  
Architecture
  
  
Interior Uses
Decorative Aggregates, Homes, Hotels, Interior Decoration, Kitchens
  
Decorative Aggregates, Interior Decoration
  
Exterior Uses
As Building Stone, As Facing Stone, Paving Stone, Office Buildings
  
Garden Decoration
  
Other Architectural Uses
Not Yet Used
  
Powder
  
Industry
  
  
Construction Industry
Arrowheads, As Dimension Stone, Building houses or walls, Construction Aggregate, Cutting Tool, for Road Aggregate, Knives
  
Source of calcium
  
Medical Industry
Not Yet Used
  
Taken as a Supplement for Calcium or Magnesium
  
Antiquity Uses
Artifacts
  
Artifacts, Jewellery, Monuments, Sculpture, Small Figurines
  
Other Uses
  
  
Commercial Uses
Gemstone, Laboratory bench tops, Jewelry
  
Manufacturing of baby powder
  
Types
Pumice Rocks, Obsidian Rocks, Perlite Rocks, Porphyritic Rocks.
  
Not Available
  
Features
Acidic in nature, Available in lots of colors
  
Easily splits into thin plates, Generally rough to touch, Host Rock for Lead
  
Archaeological Significance
  
  
Monuments
Not Yet Used
  
Used
  
Famous Monuments
Not Applicable
  
Data Not Available
  
Sculpture
Not Yet Used
  
Used
  
Famous Sculptures
Not Applicable
  
Data Not Available
  
Pictographs
Not Used
  
Used
  
Petroglyphs
Not Used
  
Not Used
  
Figurines
Not Yet Used
  
Used
  
Fossils
Absent
  
Absent
  
Formation
Rhyolite is a felsic extrusive rock and due to its high silica content, rhyolite lava is very viscous and is volcanic equivalent of granite.
  
Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Talc Carbonate is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.
  
Composition
  
  
Mineral Content
Biotite, Feldspar, Hornblade, Plagioclase, Pyroxene, Quartz
  
Carbonate, Chlorite, Magnesium
  
Compound Content
Ca, Fe, Potassium Oxide, Mg, Potassium, Silicon Dioxide, Sodium
  
CaO, Carbon Dioxide, MgO
  
Transformation
  
  
Metamorphism
Yes
  
Yes
  
Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Regional Metamorphism
  
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism
  
Weathering
Yes
  
No
  
Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
  
Not Applicable
  
Erosion
Yes
  
No
  
Types of Erosion
Chemical Erosion, Sea Erosion, Water Erosion, Wind Erosion
  
Not Applicable
  
Physical Properties
  
  
Hardness
6-7
  
1-2
  
Grain Size
Large and Coarse Grained
  
Fine Grained
  
Fracture
Sub-conchoidal
  
Flat
  
Streak
Colorless
  
White
  
Porosity
Highly Porous
  
Less Porous
  
Luster
Earthy
  
Pearly
  
Compressive Strength
140.00 N/mm2
  
15
250.00 N/mm2
  
4
Cleavage
Not Available
  
Perfect
  
Toughness
2
  
1
  
Specific Gravity
2.65-2.67
  
2.86
  
Transparency
Opaque
  
Translucent
  
Density
2.4-2.6 g/cm3
  
2.8-2.9 g/cm3
  
Thermal Properties
  
  
Specific Heat Capacity
Not Available
  
0.92 kJ/Kg K
  
10
Resistance
Heat Resistant, Wear Resistant
  
Heat Resistant, Wear Resistant
  
Deposits in Eastern Continents
  
  
Asia
China, India
  
Not Yet Found
  
Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
  
Ethiopia, Ghana, Western Africa
  
Europe
Germany, Iceland, Ireland, Italy, Spain
  
England
  
Others
Not Yet Found
  
Not Yet Found
  
Deposits in Western Continents
  
  
North America
Canada, USA
  
Canada, USA
  
South America
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
  
Argentina, Bolivia, Uruguay
  
Deposits in Oceania Continent
  
  
Australia
New Zealand, Queensland, Western Australia
  
Central Australia, South Australia, Western Australia
  
Rhyolite vs Talc carbonate 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. Rhyolite vs Talc carbonate characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Rhyolite and Properties of Talc carbonate. Learn more about Rhyolite vs Talc carbonate in the next section. The interior uses of Rhyolite include Decorative aggregates, Homes, Hotels, Interior decoration and Kitchens whereas the interior uses of Talc carbonate include Decorative aggregates and Interior decoration. Due to some exceptional properties of Rhyolite and Talc carbonate, they have various applications in construction industry. The uses of Rhyolite in construction industry include Arrowheads, As dimension stone, Building houses or walls, Construction aggregate, Cutting tool, For road aggregate, Knives and that of Talc carbonate include Source of calcium.
More about Rhyolite and Talc carbonate
Here you can know more about Rhyolite and Talc carbonate. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Rhyolite and Talc carbonate consists of mineral content and compound content. The mineral content of Rhyolite includes Biotite, Feldspar, Hornblade, Plagioclase, Pyroxene, Quartz and mineral content of Talc carbonate includes Carbonate, Chlorite, Magnesium. You can also check out the list of all Igneous Rocks. When we have to compare Rhyolite vs Talc carbonate, the texture, color and appearance plays an important role in determining the type of rock. Rhyolite is available in grey, white, light black colors whereas, Talc carbonate is available in colourless, grey, white colors. Appearance of Rhyolite is Banded and that of Talc carbonate is Soft. Properties of rock is another aspect for Rhyolite vs Talc carbonate. The hardness of Rhyolite is 6-7 and that of Talc carbonate is 1-2. The types of Rhyolite are Pumice Rocks, Obsidian Rocks, Perlite Rocks, Porphyritic Rocks. whereas types of Talc carbonate are Not Available. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Rhyolite is colorless while that of Talc carbonate is white. The specific heat capacity of Rhyolite is Not Available and that of Talc carbonate is 0.92 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Rhyolite is heat resistant, wear resistant whereas Talc carbonate is heat resistant, wear resistant.