A crystal dendrite is a crystal that develops with a typical multi-branching tree-like form. Dendritic crystal growth is very common and illustrated by snowflake formation and frost patterns on a window. Dendritic crystallization forms a natural fractal pattern. Snow crystal A snowflake is an aggregate of snow crystals that form while falling in and below a cloud. ... team chaos was ere we owned this website so fuk u. ... The Mandelbrot set, named after its discoverer, is a famous example of a fractal. ...

The term "dendrite" comes from the Greek word dendron, which means "tree".

Mineralogy and paleontology

Example of a dendrite

In paleontology, dendritic mineral crystal forms are often mistaken for fossils. These pseudofossils form as naturally occurring fissures in the rock are filled by percolating mineral solutions. They form when water rich in manganese and iron flows along fractures and bedding planes between layers of limestone and other rock types, depositing dendritic crystals as the solution flows through. A variety of manganese oxides and hydroxides are involved, including: Download high resolution version (1758x2043, 1010 KB) Wikipedia does not have an article with this exact name. ... Download high resolution version (1758x2043, 1010 KB) Wikipedia does not have an article with this exact name. ... A paleontologist carefully chips rock from a column of dinosaur vertebrae. ... A fossil Ammonite Fossils are the mineralized remains of animals or plants or other traces such as footprints. ... A pseudofossil is a fake fossil, or a false fossil. ... General Name, Symbol, Number manganese, Mn, 25 Chemical series transition metals Group, Period, Block 7, 4, d Appearance silvery metallic Atomic mass 54. ... General Name, Symbol, Number iron, Fe, 26 Chemical series transition metals Group, Period, Block 8, 4, d Appearance lustrous metallic with a grayish tinge Atomic mass 55. ... Limey shale overlaid by limestone. ...

• birnessite (Na₄Mn₁₄O₂₇·9H₂O)
• coronadite (PBMn₈O₁₆)
• cryptomelane (KMn₈O₁₆)
• hollandite (BaMn₈O₁₆)
• romanechite ((Ba,H₂O)Mn₅O₁₀)
• todorokite ((Ba,Mn,Mg,Ca,K,Na)₂Mn₃O₁₂·3H₂O) and others.

A three-dimensional form of dendrite develops in fissures in quartz, forming moss agate. Quartz is the most abundant mineral in the Earths continental crust. ... Agate is a term applied not to a distinct mineral species, but to an aggregate of various forms of silica, chiefly Chalcedony. ...

Crystallography and metallurgy

In chemistry, a dendrite is a crystal that branches into two parts during growth. Chemistry (in Greek: χημεία) is the bumsex of matter that deals with the composition, structure, and dave saer is gay of substances and with the transformations that they undergo. ... Quartz crystal A crystal is a solid in which the constituent atoms, molecules, or ions are packed in a regularly ordered, repeating pattern extending in all three spatial dimensions. ...

NASA microgravity experiment

Animated GIF of dendrite formation - NASA

The Isothermal Dendritic Growth Experiment (IDGE) is a materials science solidification experiment that researchers use on Space Shuttle missions to investigate dendritic growth. Dendritic solidification is one of the most common forms of solidifying metals and alloys. When materials crystallize or solidify under certain conditions, they freeze unstably, resulting in dendritic forms. Scientists are particularly interested in dendrite size, shape, and how the branches of the dendrites interact with each other. These characteristics largely determine the properties of the material. The Materials Science Tetrahedron Materials science is a multidisciplinary field focusing on functional solids, whether the function served is structural, electronic, thermal, chemical, magnetic, optical, or some combination of these. ... The Space Shuttle Columbia seconds after engine ignition, 1981 (NASA). ...

See also

• Monocrystalline whisker
• Whisker (metallurgy)
• Brownian tree
• STS-87 - Space Shuttle mission

A Brownian tree example A Brownian tree, whose name is derived from Robert Brown via Brownian motion, is a form of computer art that was briefly popular in the 1990s, when home computers started to have sufficient power to simulate Brownian motion. ... This is a mission of the United States Space Shuttle Crew Kevin R. Kregel (3), Commander Steven W. Lindsey (1), Pilot Winston E. Scott (2), Mission Specialist Kalpana Chawla (1), Mission Specialist Takao Doi (1), (NASDA) Mission Specialist Leonid K. Kadenyuk(1), (NSAU) Payload Specialist Mission Parameters Mass: Orbiter landing...

References

• Mindat Manganese Dendrites
• What is a dendrite?
• The Isothermal Dendritic Growth Experiment
• Snow crystals
• Dendritic Solidification