Olivine

Olivine is a combination of two minerals fayalite and forsterite in which the former is rich in iron and the latter in magnesium. Due to rich iron content it has a higher refractive index and a darker color.

Olivine
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Olivine is named for its green color, and ³fayalite² after Fayal, and island in the Azors. Foresterite is named after Johann R. Forester, a German naturalist.

Peridot and Olivine. The mineral "olivine" gives us the "peridot" (this name should be kept for the deeper bottle green stones), and the olive green gems of this same mineral may correctly be called "olivine" or "chrysolite.

Peridot has also been called "olivine," the proper mineral name, and it was referred to as "chrysolite" by the ancients. Peridot ranges in color from a yellowish green to pure green to a nearly olive green color.

Peridot is the gem form of the mineral olivine. Because the iron which creates the color is an integral part of its structure, the gem is found only in shades of green, ...

Industrial / ecomonic uses:
Peridote (a translucent variety of olivine) is considered a 'gem' mineral. Also used as a refractory sand and infrequently as an abrasive.

Olivine: See Chrysolite and Peridot.
Omega chain: Unlike most chains which are a series of linked rings, ...

Olivine and Diamonds
Synthetic Diamond experiments using Olivine.
Olivine's constituent of Diamond matrix chapter in "Genesis of the Diamond".

Olivine is restricted in occurrence to metamorphosed impure dolomites and to basic or ultrabasic (low in Si, high in Mg and Fe) igneous rocks. Nearly all gem peridot is derived from the latter.

Olivine is a mineral that composes a lot of the earth's mantel, which is the layer just below the outer crust. Olivine is also common in basalts found on the moon.

Olivine A silicate mineral with the general formula (Mg,Fe)25i04
Top
Pallasite Class of stony-iron meteorite containing crystals of olivine ...

Olivine is a mineral family containing the gemstone peridot.
omega chain
Treasured for its sleek sophistication, an omega chain is worn high on the neck and made up of tightly interlocking links that form a flat, solid surface.

Peridot, an Olivine mineral variety is rich in magnesium and iron. The name is derived from a French word 'peritot' meaning unclear, maybe due to the inclusions present in stone. It is also named from the Arabic word 'faridat' meaning gem.

Members of the olivine family, peridots are a bright, clear, almost lime green. They were most popular in the Victorian era when they were set in gold, mounted alone or with seed pearls, and used for delicate pendants or small brooches.

A member of the olivine family, peridot comes in a variety of shades of green. The signature lime-green peridot is a characteristic of the mineral itself, rather than that of a foreign element.

Accidentals: olivine, orthoclase, anorthoclase Andradine ...see garnet .. andradite
Crystallography: Isometric
Colors : Demantoid is green, Topazolite is yellow, Leuco is colorless Hardness: 6.5
Specific gravity: 3.85
Refractive index: 1.89 ...

peridotite An igneous rock composed primarily of the iron-magnesium silicate olivine and having a silica content of less than 40%. permafrost Permanently frozen regolith, ranging in thickness from 30 centimeters to over 1000 meters.

amber), pearly (with an iridescent reflectivity, like pearls or mica), pitchy (tarry minerals that are radioactive, like uraninite), silky (with a fibrous structure, like some tiger's eye or satin spar), vitreous (also known as glassy, like olivine, ...

Also known as Olivine or Chrysolite. Inspires healing, renewal, purification, rebirth and growth. It alleviates anger, jealousy and irritation.

This olivine variety is composed of magnesium iron silicate. Peridot (pronounced PEAR-ih-doh or PEAR-ih-dot) is created under great temperatures and pressures deep within the Earth, and sometimes is extruded in basaltic lavas.

Examples of the nesosilicates are provided by members of the olivine group, which contains forsterite (Mg2(SiO4)) and fayalite (Fe2(SiO4)); as well as members of the garnet group; zircon (Zr(SiO4)); and topaz (Al2(SiO4)(F,OH)2).

For example, the minerals forsterite (Mg2SiO4) and fayalite (Fe2SiO4) are members of the olivine group and have the same crystal structure, that is, the same geometric arrangement of atoms.

John's Island - chrysolite and olivine. Generally peridot is classified as being a member of the olivine group, but it is actually a member of the isomorphous forsterite-fayalite group.

The stone's name comes from the Greek word apate, meaning "to deceive," as apatite is deceivingly similar to more valuable minerals like olivine, beryl (aquamarine, heliodor, morganite), peridot, and topaz.

Peridot or the 'golden stone', originally known as topazion, is a variety of the mineral olivine and is transparent and bright yellow-green in colour.

Peridot is the best known gem variety of olivine, a species name for a series of magnesium-iron rich silicate minerals. This bright yellow-green to green gemstone has caught the fancy of humans for thousands of years.

Pallasites: The most beautiful of all the meteorites, the 50 or so Pallasites are iron meteorites with silicate rock inclusions, often of amber to pale-green olivine crystals, gemologically known as peridots.

Also called Chrysolite, Olivine
Hardness: 6.5 to 7
Transparency: Transparent
Color: Yellow-green, Olive-green, brown
The rich green color is dependent on the iron content ...

Chrysolite: (Also called "olivine" and "peridot") A mineral composed of silica, magnesia, and iron sometimes used as a gem. Chrysolite ranges in color from a light pea green to a deep olive green and an oily shine.

Peridot is the gem variety of olivine and exhibits colors ranging from golden lime greens to rich grass greens. Traditionally, the most coveted color hues have been the rich grass greens.

Peridot, the gem form of the mineral olivine, traces its jewelry roots back more than 3,500 years. It was first mined by the ancient Egyptians on the island of Zebargad in the Red Sea.

Peridot is the gem variety of forsterite of the olivine group, and it is found in igneous and some metamorphic rock types. Peridot in its most basic form is a relatively common mineral when looking at the big picture of our Earth.

Peridot (also known as the "evening emerald" and chrysolite) is a yellow-green semi-precious stone with an oily luster; peridot is a transparent, green form of olivine.

A gem variety of the mineral olivine. Peridot has been connected with various superstitions throughout history. It has been associated with the sun, and was believed to be able to break evil spells.

The island Topazios was renamed Zeberged, the Arabic word for Olivine. Peridot belongs to the mineral group Olivine.
The oldest Peridot jewelry known is a strand of Peridot beads which was discovered in Egyp tcirca 1580 BC.

The beauty of peridot, the gem form of the mineral olivine, is a result of extreme conditions. Peridot is found in the rocks created by volcanoes and even in meteors that fall to earth.

On a small desolate island in the Red Sea -- named Zabargad, which means olivine in Arabic - peridot has been mined since ancient times. In Zabargad, nothing grows and there is no fresh water; it is scorching hot all year except for winter.

This gemstone has no fewer than three names: 'peridot', 'chrysolite', from the Greek 'gold stone', and 'olivine', for the peridot is the gemstone form of the mineral olivine.

peridot (n) a form of gem-quality olivine. Peridot derives its green colour from its chemical structure rather than from impurities, unlike most other gemstones. As a result, peridot is consistently green.

Peridot: Another name for chrysolite and olivine. Peridot is the birthstone for August. See Peridot Rings and Peridot earrings.
Perfumed Beads: Beads that release a scent when warmed by the body.
Periclase: See Magnesia.

Peridot is the gem form of the mineral olivine and is called sometimes Chrysolite.
Small crystals of peridot are often found in the rocks created by volcanoes and can also be found in meteors that fall on earth.

NIGHT EMERALD. Olivine, which loses its yellow tint by artificial light, showing only its green.
NOBLE. The highest type of a specified kind of gem, as "Noble Opal." A synonym of "Precious." ...

Peridot is the gem variety of olivine and ranges between 6.5 and 7 on the Mohs scale of hardness. Gem quality peridot comes from Arizona, Burma, Norway, islands in the Red Sea, Hawaii and is sometimes found in meteorites.

Peridot, the volcanic gem, is the best known gem variety of the mineral olivine, a species of magnesium-iron rich silicate minerals. This bright yellow-green to green gemstone has caught the fancy of humans for thousands of years.

Safer alternatives include olivine (Mohs 6.5), garnet, and staurolite (Mohs 7.5). Which to choose depends on many factors besides mineralogical ones, including cost, availability, the material being worked, and the experience of the worker.

Peridot: A gem variety of olivine that is yellowish-green. Slightly soft, its facets often appear worn away in older jewellery. Pronounced 'pear-uh-doh.' Has been found in meteorites.

Peridot is a gem-quality transparent variety of olivine, a mineral composed of magnesium-iron silicates.The peridot was regarded since ancient times as the symbol of the sun.

Peridot
Nice gemstone of color olive green, Green yellow, Pistachio green Olivine. It contains Iron and Magnesium. Common used in the jewelry industry.
Hardness : 6.5 Refractive Index : 1.67 Density : 3.34 ...

Other mineral inclusions such as olivine, garnet, pyroxene, spinel, ruby, rutile and zircon are known as guest minerals in diamonds.
Diamond girdle ...

Peridot - Formerly called "chrysolite" , it is a yellow-green semi-precious stone. Also called olivine. 6-71/2 on the Hardness scale. In Middle Ages used for ecclesiastical purposes. It can burst under great stress and is usually metal foiled.

Magnesium: A light, silvery-white, moderately hard, malleable, ductile, metallic element which only occurs in nature as a compound with other elements, as found in magnesite, spinel and olivine.

A brown or yellow-green olivine found in igneous and metamorphic rocks and used as a gemstone.
Circle Link Bracelet ...

The green color arises from iron in the olivine, the actual name of the mineral. Peridot measures 6.5 on the Mohs hardness scale, making it a relatively soft stone that is easy to cut.

Basalt: A dark volcanic rock, often with a glassy appearance, composed chiefly of plagioclase, pyroxene, and olivine.
Base Metal: The collective term for any and all non-precious metals.

Chrysolite: A golden yellow variety of peridot. Also called precious olivine, it is a mineral that can be found in the layer below the earth's crust .

Because of the green hue of the gem, it is sometimes mistaken as emerald or chrysoberyl. Made of a mineral called olivine, this semi-precious gemstone has an oily luster and a unique refraction quality; when viewing the stone, ...

mafic
Mafic refers to dark-colored igneous rock or magma that have significant amounts of iron and magnesium. For example, olivine, augite, and hypersthene are mafic rocks.
...

The lavas date from the Palaeocene to early Eocene epochs (63-53 million years ago). Over 650 metres of lavas are exposed, with olivine basalts, the predominant type.

Slightly golden shimmering green variety of it is ideal gemstone color to complement a light summertime outfit. It is formed of olivine, silicate found in igneous rocks, and a very good constituent of Earth's upper mantle.

See also: Mineral, Stone, Color, Crystal, Gemstone