The word breccia is Italian for "rubble," and this gives a hint as to the rock’s appearance - large rock fragments are cemented together in a matrix. Some samples can be quite beautiful when polished or carved; many ancient societies, including the Egyptians and the Romans, utilized breccia in ornamental stone structures and buildings.
Density:
2.5 - 2.9 g/cm³
On This Page
Properties
Values
Market Price
Characteristics
Cultural
Common Questions
General Info About Breccia
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Physical Properties of Breccia
Texture
Clastic
Colors
Various colors
Magnetism
Potentially Magnetic
Grain Size
Coarse grained
Density
2.5 - 2.9 g/cm³, Normal Weight
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Rarity
Easy to obtain
Collection Recommendation
3.5 out of 5
Popularity
3.7
Aesthetic
3.5
Rarity
3
Sci-Cultural Value
3.7
The Market Price of Breccia
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Rough/Tumbled Price
Fixed Price
$2 - $6 piece
Characteristics of Breccia
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Rock Types of Breccia
Sedimentary
Sedimentary breccia is a type of clastic sedimentary rock which is made of angular to subangular, randomly oriented clasts of other sedimentary rocks.
Fault
Fault breccia results from the grinding action of two fault blocks as they slide past each other. Subsequent cementation of these broken fragments may occur by means of the introduction of mineral matter in groundwater.
Igneous
Igneous clastic rocks can be divided into two classes: 1. Broken, fragmental rocks associated with volcanic eruptions, both of the lava and pyroclastic type; 2. Broken, fragmental rocks produced by intrusive processes, usually associated with plutons or porphyry stocks.
Impact
Impact breccias are thought to be diagnostic of an impact event such as an asteroid or comet striking the Earth and are normally found at impact craters. Impact breccia, a type of impactite, forms during the process of impact cratering when large meteorites or comets impact with the Earth or other rocky planets or asteroids.
Hydrothermal
Hydrothermal breccias usually form at shallow crustal levels (<1 km) between 150 - 350 ℃, when seismic or volcanic activity causes a void to open along a fault deep underground. The void draws in hot water, and as pressure in the cavity drops, the water violently boils.
Clasts of Breccia
Variable, but generally harder rock types and / or minerals dominate
Cultural Significance of Breccia
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Uses of Breccia
Because breccia can vary vastly in composition, its uses vary as well, though it is often used for construction purposes in flooring, walls, or outdoor materials. Breccia can also be found in sculptures and jewelry, and when crushed it can be used as road paving.
Common Questions People Also Ask
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