Crystallize: To cause a material to form crystals or to assume both the internal structure and external form of a crystal.
Crystallize
Process by which matter becomes crystalline (solid) from a gaseous, fluid or dispersed state. The separation, usually from a liquid phase on cooling, of a solid crystalline phase.
Cut-off grade ...
Crystallized iron pyrites ("fool's gold") mounted in groups, cut or uncut, in pins and other pieces of jewelry. Marcasite is a gray, lustrous mineral.
Morganite ...
Crystallized Carbon. Probably the most recognized gemstone in the world. It is prized for it rarity and is also the hardest gemstone on the Moh scale.
Diamond Cut ...
Crystallize: To cause a material to form crystals of to take on the structure of crystals.
Cuban Link Chain: A cable chain with oval links and a twisted rope pattern.
Albite crystallizes with triclinic pinacoidal forms. Its specific gravity is about 2.62 and has a Mohs hardness of 6. Albite almost always exhibits crystal twinning often as minute parallel striations on the crystal face.
Though crystallized specimens are generally small, only up to around 5mms, a very few, larger specimens were uncovered. The Hunterian Museum of Glasgow University has one such specimen extracted from the time ...
Diamonds crystallize in various forms of which the octahedral and dodecahedral crystals are the two most common ones. These natural crystals have been adorned in their own right for millennia.
Gems that crystallize in any crystal system other than isometric (cubic) possess the property of double refraction, where a single beam of light is split into two component rays. The degree of separation of these two rays is termed birefringence.
Tourmaline crystallizes in the hexagonal system. It has a hardness of 7-7.5, has very poor cleavage, conchoidal fracture, is strongly piezoelectric, and has good toughness.
Chrysoberyl crystallizes in the orthorohombic crystal system, forming in slender prisms and usually has a "tabular" crystal habit. Crystal twinning is common, forming platy and tabular 'Brazil-law' twins (above, right).
Gems cans crystallize from these vapors which are trapped and concentrated inside the openings. Often they form singly, without attachment to the surrounding surface.
Cinnabar also crystallizes in this class.
The Rhombohedral class has a 3-fold axis of rotoinversion, which is equivalent to a 3-fold axis of rotation and a center of symmetry. The general form is {hk-il} and the Hermann- Mauguin notation is -3.
Diopside: A crystallized silicate of lime and magnesia found in igneous rocks which ranges in color from clear, grayish green to almost black.
Dioxide: A compound containing two oxygen atoms per molecule.
Titanite in well crystallized specimen at Philips Mine.
Uraninite was found as grains and crystals 1 to 25 mm long associated with magnetite and hornblende in the pegmatite bodies near the mine.
Gemstone:
Any crystallized mineral structure (natural or synthetic) used in jewelry making. This includes all precious and semi-precious stones but excludes all types of plastics and glass.
AngeliteAngelite (CaSO4); it is a pale blue variety of calicium sulfate = anhydrate (it is gypsum that has lost water and crystallized). The stone is quite brittle; crystals are transparent to transluscent. Angelite stone has a hardness of 3 to 3.
Crystallize in the trigonal sect of the hexagonal system, and most commonly form rhombohedrons and scalenohedrons.
2. Have perfect rhombohedral cleavage
3.
- C - Calcite - Astrological sign of Cancer The various crystallized forms of calcite include masses, grains, stalactites, scalenohdrons, and rhombohedrons. It is, however, characterized by the rhombohedron crystallization.
Discovered about 2,500 years ago in India, the ancients believed they were splinters from the stars, perhaps crystallized lightening or hardened dew drops.
The chemical composition of a magma at the time when it cools determines the identity of the minerals which crystallize from the magma and therefore the identity of the resultant igneous rock.
Millions of years ago, sapphire was formed as pure aluminum oxide became crystallized into splendid gemstones under pressure and heat from the depths of the Earth.
Minerals in igneous rocks must have high melting points and be able to co-exist with, or crystallize from, silicate melts at temperatures above 800 º C.
Surprising as it may seem, ruby and sapphire, so different in colour, actually belong to the same mineral family: corundum, the mineral form of alumina which crystallizes in the hexagonal system.
Diamond: A mineral composed essentially of carbon that crystallizes in the 'cubic,' or 'isometric,' crystal system and is therefore singly refractive.
For many years opaque, crystallized, non-gem apatite has been mined and used extensively as an industrial source of phosphate both for fertilizer as well as other chemicals which contain phosphate.
Laboratory research has shown that the pressures and reducing conditions required to crystallize gem diamonds and the inclusions they contain are only attained in the earth's mantle, at depths of 100 km or more, ...
Coming into sight and resembling an enormous diamond that is created out of a huge portion of crystallized carbon, that lie more than 4,000 km across, a little more than 50 light-years (A light-year pertains to the distance light travels in a year, ...
Iolite crystallizes in the orthorhombic system and is highly pleochroic. Changes in color, or intensity of color can be seen when the stone is rotated and viewed at different angles. Iolite is moderately hard at 7 to 7.5 on the Mohs scale.
Diamond is a precious crystallized gemstone that was created thousands of years ago at the Earth's surface under extreme heat.
Thus the proper name for blood red, crystallized oxide of aluminum, of gem quality, according to the mineralogical system of naming, would be red corundum, but that same material is referred to in the Old Testament thus (in speaking of wisdom), ...
Sugilite crystallizes in the hexagonal system with prismatic crystals. The crystals are rarely found and the form is usually massive. It has a Mohs hardness of 5.5 to 6.5 and a specific gravity of 2.75 - 2.80.
Mineral composed essentially of carbon crystallized at extremely high temperatures and pressures; in nature, diamonds form 150 to 200km (93 to 124 miles) or more below the earth's surface.
Carbon, when subjected to tremendous amounts of heat and pressure, crystallizes. However, many diamonds do not completely crystallize. As a diamond crystal forms, some Carbon may not be crystallized resulting in birthmarks known as inclusions.
It occurs with other feldspathoids in igneous rocks that have crystallized from sodium-rich magma.
Soddyite... see gummite
Soumansite... see wardite
Spessartite...see garnet... spessartine
Crystallography: cubic ...
A crystallized silicate of lime and magnesia , gem quality diopside is relatively soft and brittle and most often bottle-green in colour, although it is also found colorless, brown, black, violet-green, and blue.
It crystallizes in the rhombohedral division of the hexagonal system, certain crystal forms being characteristic of the two varieties, ruby and sapphire.
In Hindu lore, rubies were believed to be the crystallized blood of the demon, Vala, whose body seeded all the mines of the world.
The simplest of all the gemstones consisting of pure crystallized carbon. A diamond crystallizes under enormous pressure deep beneath the earth's surface Diamonds can be from 1 to 3 billion years old--more than two-thirds the age of the Earth itself.
Diamond: A clear transparent precious gemstone composed of pure crystallized carbon which has been highly compressed over millions of years. Diamonds are the hardest substance known to mankind, rating a 10 on the Mohs scale.
Diamond crystallizes in the Isometric system and graphite crystallizes in the hexagonal system. Somewhat of a surprise is that at surface temperatures and pressures, Graphite is the stable form of carbon.
Trigons are triangular patterns that crystallized in the Diamond when the Diamond was born millions of years ago. It's like rings in a tree. They show how it's grown.
"C" is the chemical symbol for diamond ---crystallized carbon C. It has an isometric (cubic) crystal system. It is the hardest mineral on earth, a 10 on the universal Mohs' Hardness scale, with a specific gravity of 3.47-3.55.
Since ancient Greece, diamonds and diamond jewelry have been the traditional symbol of love, and the ancients believed they were hardened dew drops, splinters from the stars or crystallized lightning.
Auguste Victor Louis Verneuil invented the flame-fusion technique (now know as the Verneuil method) of melting aluminum oxide and allowing it to recrystallize in a cone-shaped boule, ...
The newly discovered cosmic diamond is a chunk of crystallized carbon 50 light-years from the Earth in the constellation Centaurus.
It was even said by some that they were the tears of the Gods or perhaps crystallized lighting or hardened dew drops. The truth is, however, that the exact origin of diamonds is still something of a mystery, even to scientist and geologists.
Diamond: A mineral composed of carbon crystallized into a cubic crystal system by intense heat and pressure. It is the hardest of all natural substances (10 on Moh's scale) and one of the most highly valued of all gemstones.
This crystallized form of magma is also known as 'feld'. Like its versatility fairly large number of separate minerals can be acquired from feldspar. Among these 20 minerals about nine are well recognized.
5 x [Bloodstone Band] - 5 Bloodstone, 10 Crystallized Earth
5 x [Crystal Chalcedony Amulet] - 5 Chalcedony, 10 Crystallized Earth
5 x [Crystal Citrine Necklace] - 5 Huge Citrine, 10 Crystallized Earth ...
In scientific terms diamond is plain crystallized carbon but practically there is a lot it pertains to. Each of its attribute signifies a certain expression and contributes to its value.
Diamond is composed of carbon that crystallizes in the 'cubic,' or 'isometric,' crystal system. It is the hardest known substance in the world (10 on Mohs' scale).
Smoky quartz commonly occurs in quartz veins where it crystallizes inside rock cavities known as vugs. Smoky quartz is a translucent grayish/brown quartz with natural irradiation.
A diamond is a precious stone that is pure native crystallized carbon, highly valued, especially when free from flaws and cut into various forms with differently shaped facets of variable numbers and positions, ...
A diamond is carbon that is crystallized under high pressure and temperature underground. It is the hardest surface known to man and is valued for many reasons, including its rarity.
How are diamonds graded? Who grades them? ...
Amethyst
A transparent variety of crystallized quartz that typically is purple or violet in color.
Antiqued
Process by which something takes on the look associated with age, usually a darkened or tarnished appearance.
Crystallized pure silica occur in pegmatite. Available in many colors most common. White, pink (Rose quartz), yellow (Citrine) and purple (Amethyst).
Hardness : 7 Refractive Index : 1.554-1.553 Density : 2.66 ...
Diamond - A transparent gem made essentially of carbon which has crystallized under immense heat and pressure in the earth's crust. It is the hardest of all known natural substances. Hardness enables the diamond to be cut with precise accuracy.
amethyst - A purple variety of coarsely crystallized quartz.
anklet - An ornament of gold, silver or other material worn around the ankle in the same manner as a bracelet is on the wrist.
Over the years several unique anniversary designs have emerged and crystallized as standards. These rings have distinctive designs intended to symbolize aspects of a romantic relationship, a long-term commitment, and the experience of marriage.
 See also: Crystal, Mineral, Color, Stone, Crystals
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