Definition
Origin
Discoverer
Etymology
Class
Sub-Class
Group
Other Categories
Texture
Color
Maintenance
Durability
Water Resistant
Scratch Resistant
Stain Resistant
Wind Resistant
Acid Resistant
Appearance
Interior Uses
Exterior Uses
Other Architectural Uses
Construction Industry
Medical Industry
Antiquity Uses
Commercial Uses
Types
Features
Monuments
Famous Monuments
Sculpture
Famous Sculptures
Pictographs
Petroglyphs
Figurines
Fossils
Formation
Mineral Content
Compound Content
Metamorphism
Types of Metamorphism
Weathering
Types of Weathering
Erosion
Types of Erosion
Hardness
Grain Size
Fracture
Streak
Porosity
Luster
Compressive Strength
Cleavage
Toughness
Specific Gravity
Transparency
Density
Specific Heat Capacity
Resistance
Asia
Africa
Europe
Others
North America
South America
Australia
Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock
From the locality in Essex County, Massachusetts,US
Fine Grained Rock, Opaque Rock
Decorative Aggregates, Homes, Interior Decoration
As Building Stone, As Facing Stone, Garden Decoration, Office Buildings, Paving Stone
As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate
Artifacts, Monuments, Sculpture, Small Figurines
Cemetery Markers, Commemorative Tablets, Jewelry, Sea Defence, Tombstones
Intermediate volcanic rock
Is one of the oldest rock, Smooth to touch
Essexite is a type of igneous rock, which is usually dark grey to black plutonic rock. For the formation of essexite, suitable magma with exact composition of K, Ba, Rb, Cs, Sr should be produced.
Augite, Feldspar, Hornblende, Nepheline, Olivine, Plagioclase, Pyroxene
Aluminium Oxide, Ba, Ca, Cs, Potassium, Rb, Sodium, Sr
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism
Biological Weathering, Chemical Weathering
Coastal Erosion, Glacier Erosion, Water Erosion
Impact Resistant, Pressure Resistant, Wear Resistant
Germany, Greece, Italy, Scotland, Turkey
Brazil, Colombia, Venezuela
Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities
From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung
Durable Rock, Medium Hardness Rock
Fine Grained Rock, Opaque Rock
Black, Brown, Dark Grey to Black, Red
Decorative Aggregates, Interior Decoration
Garden Decoration, Paving Stone
Cement Manufacture, Construction Aggregate, for Road Aggregate, In landscaping and drainage works
Artifacts, Monuments, Sculpture
As a traction material on snow-covered roads, Creating Artwork, High-temperature insulation, In gas barbecue grills
Basaltic Scoria and Andesitic Scoria
Available in Lots of Colors and Patterns, Generally rough to touch, Surfaces are often shiny
Scoria forms when magma containing huge amount of dissolved gas flows from a volcano during an eruption.
Apatite, Biotite, Calcite, Feldspar, Hematite, Hornblade, Ilmenite, Magnetite, Olivine, Pyroxene, Quartz, Silica
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism
Biological Weathering, Chemical Weathering, Mechanical Weathering
Chemical Erosion, Coastal Erosion, Glacier Erosion
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Afghanistan, Indonesia, Japan, Russia
Ethiopia, Kenya, Tanzania
Greece, Hungary, Iceland, Italy, Turkey
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA
Argentina, Chile, Ecuador, Peru
New Zealand, Western Australia