Definition
Talc carbonate is nothing but a rock sequence or a mineral composition found in metamorphic ultramafic rocks.
  
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
China, USA, Middle east
  
Unknown
  
Discoverer
Unknown
  
Unknown
  
Etymology
From medieval Latin, talcum
  
From hyalo + -ite
  
Class
Metamorphic Rocks
  
Igneous Rocks
  
Sub-Class
Durable Rock, Soft Rock
  
Durable Rock, Soft Rock
  
Family
  
  
Group
Not Applicable
  
Volcanic
  
Other Categories
Fine Grained Rock, Opaque Rock
  
Fine Grained Rock, Opaque Rock
  
Texture
Very Soft
  
Pyroclastic
  
Color
Colourless, Grey, White
  
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
No
  
No
  
Appearance
Soft
  
Dull
  
Architecture
  
  
Interior Uses
Decorative Aggregates, Interior Decoration
  
Countertops, Decorative Aggregates, Homes, Interior Decoration
  
Exterior Uses
Garden Decoration
  
As Building Stone, As Facing Stone, Paving Stone, Garden Decoration, Office Buildings
  
Other Architectural Uses
Powder
  
Curbing
  
Industry
  
  
Construction Industry
Source of calcium
  
Building houses or walls, Construction Aggregate
  
Medical Industry
Taken as a Supplement for Calcium or Magnesium
  
Not Yet Used
  
Antiquity Uses
Artifacts, Jewellery, Monuments, Sculpture, Small Figurines
  
Artifacts, Jewellery, Monuments, Sculpture
  
Other Uses
  
  
Commercial Uses
Manufacturing of baby powder
  
Cemetery Markers, Creating Artwork
  
Types
Not Available
  
Welded tuff, Rhyolitic tuff, Basaltic tuff, Trachyte tuff and Andesitic tuff.
  
Features
Easily splits into thin plates, Generally rough to touch, Host Rock for Lead
  
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
Not Used
  
Used
  
Figurines
Used
  
Used
  
Fossils
Absent
  
Absent
  
Formation
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.
  
Hyaloclastite is a type of Igneous rock is formed through the cooling and solidification of lava or magma.
  
Composition
  
  
Mineral Content
Carbonate, Chlorite, Magnesium
  
Calcite, Chlorite
  
Compound Content
CaO, Carbon Dioxide, MgO
  
Hydrogen Sulfide, Sulfur Dioxide
  
Transformation
  
  
Metamorphism
Yes
  
Yes
  
Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism
  
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism
  
Weathering
No
  
Yes
  
Types of Weathering
Not Applicable
  
Biological Weathering, Chemical Weathering, Mechanical Weathering
  
Erosion
No
  
Yes
  
Types of Erosion
Not Applicable
  
Chemical Erosion, Coastal Erosion
  
Physical Properties
  
  
Hardness
1-2
  
1-2
  
Grain Size
Fine Grained
  
Fine Grained
  
Fracture
Flat
  
Not Available
  
Streak
White
  
Colorless
  
Porosity
Less Porous
  
Highly Porous
  
Luster
Pearly
  
Dull and Grainy
  
Compressive Strength
250.00 N/mm
2
  
4
Not Available
  
Cleavage
Perfect
  
Not Available
  
Toughness
1
  
Not Available
  
Specific Gravity
2.86
  
Not Available
  
Transparency
Translucent
  
Opaque
  
Density
2.8-2.9 g/cm3
  
Not Available
  
Thermal Properties
  
  
Specific Heat Capacity
0.92 kJ/Kg K
  
10
Not Available
  
Resistance
Heat Resistant, Wear Resistant
  
Heat Resistant
  
Deposits in Eastern Continents
  
  
Asia
Not Yet Found
  
Russia
  
Africa
Ethiopia, Ghana, Western Africa
  
South Africa
  
Europe
England
  
Iceland
  
Others
Not Yet Found
  
Not Yet Found
  
Deposits in Western Continents
  
  
North America
Canada, USA
  
Canada, USA
  
South America
Argentina, Bolivia, Uruguay
  
Brazil, Colombia
  
Deposits in Oceania Continent
  
  
Australia
Central Australia, South Australia, Western Australia
  
Not Yet Found