Oligoclase Sunstone

Sunstone can be varieties of plagioclase oligoclase sunstone feldspar or potassium feldspar orthoclase sunstone. Oligoclase and labradorite – 0007 to 0010.


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Oligoclase sunstone is called aventurescent feldspar when inclusions are large and produce sparkling reflections.

Oligoclase sunstone. Gem varieties of oligoclase are uncommon but can be large. Sunstone is typically reddish with sparkles of metallic golden color. Orthoclase – 0005 to 0008.

As other types of feldspar with a strong aventurescence were discovered the name was also applied to them. This optical phenomenon is known as aventurescence The first materials to be called sunstone because of their aventurescence were specimens of oligoclase a plagioclase feldspar. Yellow green red red-brown colorless.

Schau dir unsere Auswahl an oligoclase sunstone an um die tollsten einzigartigen oder spezialgefertigten handgemachten Stücke aus unseren Shops für schmucksteine zu finden. After much controversy and debate most of these. Confetti Sunstone from Arusha Tanzania is a variety of Oligoclase with a colorless yellow orange or light green background and containing reddish metallic flashes due to the presence of many small red plateletes of Hematite oriented within the Feldspar structure.

Some examples of oligoclase of been found to display fluorescence. Another variety of oligoclase may more commonly be seen in the world of gems and that is sunstone also known as aventurine feldspar not to be confused with the aventurine which is a type of chalcedony. Moonstone shows a glowing shimmer similar to labradorescence but lacking in color.

Oligoclase sunstone contains hematite inclusions that catch the light. Oligoclase sunstone is more common than orthoclase sunstone. Hence two kinds of stone are distinguished as oligoclase and orthoclase sunstone.

Oligoclase is found in New York Maine New Mexico North Carolina USA Baffin Island Canada Sri Lanka Brazil Kenya India and Norway. Ad Sunstone Heute bestellen versandkostenfrei. The name comes from its obvious resemblance to the sun especially when exhibiting radiant reflections that show flash or chatoyancy commonly caused by inclusions of Goethite or Hematite.

Sunstone is the official state gemstone for Oregon USA. Confetti Sunstone from Arusha Tanzania is a variety of Oligoclase with a colorless yellow orange or light green background and containing reddish metallic flashes due to the presence of many small red plateletes of Hematite oriented within the Feldspar structure. Oligoclase is also known for its gem varieties.

In the early 2000s red or green gemstone resembling sunstone and known as Andesine appeared in the gem market. Essentially any form of aventurescent feldspar can be marketed as aventurine feldspar. Labradorite sunstone – 1559 to 1568.

The display is produced from lamellar intergrowths inside the crystal. John Betts – Fine Minerals. A white gray green or red variety of plagioclase feldspar that contains a higher proportion of sodium than calcium and.

Sunstone has flashes of reddish color caused by inclusions of hematite. The feldspar which usually displays the aventurine appearance is oligoclase though the effect is sometimes seen in orthoclase. Orthoclase sunstone – 1518 to 1526.

A similar type of Sunstone has been found at Coimbatore Tamil Nadu State India. India is a source for this type of sunstone. These include oligoclase Sunstone sensu stricto or oligoclase moonstone and aventurine feldspar.

A variety of feldspar microcline or oligoclase more rarely labradorite that has schiller commonly with an orangebrown background color due to exsolved oriented small hematite or hematite and ilmenite crystals that give it an flash and sparkle. Oligoclase is not a well-known mineral but has been used as a semi-precious stone under the names of sunstone and moonstone.

Aktuelle Preise für Produkte vergleichen. Oligoclase sunstone will have a. A similar type of Sunstone has been found at Coimbatore Tamil Nadu State India.

Crystals are popular among mineral collectors. Oligoclase sunstone – 1537 to 1547. In metamorphic situations oligoclase is formed in high grade regionally metamorphosed gneiss and schist.

Oligoclase is industrially important in the manufacture of ceramics. What does oligoclase mean. A bright blue Oligoclase has rarely been available from.

Oligoclase and labradorite – solid solution between NaAlSi 3 O 8 and CaAl 2 Si 2 O 8. Also called Aventurine feldspar. Sunstone is an oligoclase feldspar that can only be found crystallized in large masses rarely can one find Sunstone in tabular or prismatic form.

A bright blue Oligoclase has rarely been available from. These intergrowths result from compatible. Rectangular cleavage fragment of salmon-orange oligoclase sunstone feldspar.


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