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Crystals fracture refers to the way a crystal breaks when subjected to stress, which can reveal unique patterns and surfaces. Unlike cleavage, which is the tendency of a mineral to break along specific planes of weakness, fracture occurs irregularly. The characteristics of a crystal's fracture can provide insight into its internal structure and bonding. Common types of fracture include conchoidal (smooth, curved surfaces), uneven, and splintery.
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What has the author Johannes Weertman written?
Johannes Weertman has written: 'Elementary dislocation theory' -- subject(s): Dislocations in crystals 'Dislocation based fracture mechanics' -- subject(s): Dislocations in crystals, Fracture mechanics
What type of fracture does sulfur have?
Sulfur does not have a fracture type because it is an element, and elements do not exhibit fracture properties like minerals or materials. Fracture types are characteristics of mineral crystals or materials with a crystalline structure, which sulfur does not possess.
What is the fracture of garnet?
Garnets are commonly found as single, well-formed crystals, so they typically exhibit a conchoidal fracture, which is a smoothly curving, shell-like break. This fracture pattern can be observed when garnets are broken or fractured.
Does halite have cleavage or fracture?
Halite typically displays cleavage along three planes at right angles to each other. However, if halite is subjected to mechanical stress, it can also exhibit a conchoidal fracture pattern due to its brittle nature.
What is a fracture of earths crust?
A fault is a crack or fracture in the earth's crust. In geology, a fault or fault line is a planar fracture in rock in which the rock on one side of the fracture has moved with respect to the rock on the other side. Large faults within the Earth's crust are the result of differential or shear motion and active fault zones are the causal locations of most earthquakes. Earthquakes are caused by energy release during rapid slippage along a fault. A fault that runs along the boundary between two tectonic plates is called a transform fault.
What is a non-vesicular rock that is made entirely of green 2 mm diameter crystals that have a hardness of 6.5 and show fracture?
The rock you are describing is likely a type of peridotite, specifically composed of olivine crystals. Olivine is commonly green, has a hardness of around 6.5 on the Mohs scale, and can exhibit a conchoidal fracture. This non-vesicular rock typically forms in ultramafic igneous environments, such as the Earth's mantle.
What two features do geologist use to classify crystals?
they use a variety of classifications, such as hardness, luster, color, cleavage, streak, fracture, and somtimes chemical mix up.
What is a simple fracture and a compound fracture?
a fracture in which skin is intact at site of fracture is a closed fracture or simple fracture whereas compound fracture or an open fracture is a fracture in which the skin is perforated and there is an open wound down to the site of the fracture.
Which is the name for a broken bone?
A broken bone is often called a "fracture" or "bone fracture". Some examples from the Wikipedia entry on bone fracture. * Complete Fracture- A fracture in which bone fragments separate completely. * Incomplete Fracture- A fracture in which the bone fragments are still partially joined. * Linear Fracture- A fracture that is parallel to the bone's long axis. * Transverse Fracture- A fracture that is at a right angle to the bone's long axis. * Oblique Fracture- A fracture that is diagonal to a bone's long axis. * Compression Fracture-A fracture that usually occurs in the vertebrae. * Spiral Fracture- A fracture where at least one part of the bone has been twisted. * Comminuted Fracture- A fracture causing many fragments. * Compacted Fracture- A fracture caused when bone fragments are driven into each other * Open Fracture- A fracture when the bone reaches the skin * Bug fracture- A fracture when the bone is in place, but the fracture has the appearance of a crushed insect.
What type of fracture has a bone portruding from the skin?
Open....It's called an OPEN FRACTURE.
What type of injury involves an open wound where the bone has torn through the skin?
Open Fracture formerly known as a compound fracture.
Why are crystals brittle?
Crystals are brittle because their structure contains distinct planes of atoms arranged in a regular pattern. When a force is applied, the planes easily slip past each other causing the crystal to fracture. This lack of flexibility leads to the brittleness of crystals.
