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- Asterism_(gemology) abstract "Asterism (from Ancient Greek: ἀστήρ star), or star stone, is a name applied to the phenomenon of gemstones exhibiting a luminous star-like shape when cut en cabochon. The typical asteria is the star sapphire, generally a bluish-grey corundum, milky or opalescent, with a star of six rays. In red corundum the stellate reflection is less common, and hence the star-ruby occasionally found with the star-sapphire in Sri Lanka is among the most valued of \"fancy stones\". When the radiation is shown by yellow corundum, the stone is called star-topaz. Cymophane, the chatoyant chrysoberyl known as cat's eye, may also be asteriated. In all these cases the asterism is due to the reflection of light from twin-lamellae or from fine tubular cavities or thin enclosures definitely arranged in the stone. The astrion of Pliny the Elder is believed to have been a moonstone, since it is described as a colourless stone from India having within it the appearance of a star shining with the light of the moon. Star-stones were formerly regarded with much superstition.".
- Asterism_(gemology) thumbnail Star-Saphire.jpg?width=300.
- Asterism_(gemology) wikiPageID "1028264".
- Asterism_(gemology) wikiPageLength "3197".
- Asterism_(gemology) wikiPageOutDegree "29".
- Asterism_(gemology) wikiPageRevisionID "692880039".
- Asterism_(gemology) wikiPageWikiLink Cabochon.
- Asterism_(gemology) wikiPageWikiLink Category:Gemology.
- Asterism_(gemology) wikiPageWikiLink Chatoyancy.
- Asterism_(gemology) wikiPageWikiLink Chrysoberyl.
- Asterism_(gemology) wikiPageWikiLink Corundum.
- Asterism_(gemology) wikiPageWikiLink Diopside.
- Asterism_(gemology) wikiPageWikiLink Garnet.
- Asterism_(gemology) wikiPageWikiLink Gemstone.
- Asterism_(gemology) wikiPageWikiLink India.
- Asterism_(gemology) wikiPageWikiLink Isomorphism_(crystallography).
- Asterism_(gemology) wikiPageWikiLink Lamella_(materials).
- Asterism_(gemology) wikiPageWikiLink Moonstone_(gemstone).
- Asterism_(gemology) wikiPageWikiLink Optical_phenomena.
- Asterism_(gemology) wikiPageWikiLink Pliny_the_Elder.
- Asterism_(gemology) wikiPageWikiLink Quartz.
- Asterism_(gemology) wikiPageWikiLink Ruby.
- Asterism_(gemology) wikiPageWikiLink Rutile.
- Asterism_(gemology) wikiPageWikiLink Sapphire.
- Asterism_(gemology) wikiPageWikiLink Spinel.
- Asterism_(gemology) wikiPageWikiLink Sri_Lanka.
- Asterism_(gemology) wikiPageWikiLink Titanium_dioxide.
- Asterism_(gemology) wikiPageWikiLink Topaz.
- Asterism_(gemology) wikiPageWikiLink File:Star-Saphire.jpg.
- Asterism_(gemology) wikiPageWikiLinkText "Asterism (gemology)".
- Asterism_(gemology) wikiPageWikiLinkText "Star".
- Asterism_(gemology) wikiPageWikiLinkText "asterism".
- Asterism_(gemology) wikiPageWikiLinkText "diasterism".
- Asterism_(gemology) wikiPageUsesTemplate Template:About.
- Asterism_(gemology) wikiPageUsesTemplate Template:Commons_category.
- Asterism_(gemology) wikiPageUsesTemplate Template:Lang-grc.
- Asterism_(gemology) wikiPageUsesTemplate Template:Reflist.
- Asterism_(gemology) subject Category:Gemology.
- Asterism_(gemology) hypernym Name.
- Asterism_(gemology) type Redirect.
- Asterism_(gemology) comment "Asterism (from Ancient Greek: ἀστήρ star), or star stone, is a name applied to the phenomenon of gemstones exhibiting a luminous star-like shape when cut en cabochon. The typical asteria is the star sapphire, generally a bluish-grey corundum, milky or opalescent, with a star of six rays. In red corundum the stellate reflection is less common, and hence the star-ruby occasionally found with the star-sapphire in Sri Lanka is among the most valued of \"fancy stones\".".
- Asterism_(gemology) label "Asterism (gemology)".
- Asterism_(gemology) sameAs Q747746.
- Asterism_(gemology) sameAs Asterism_(gemmology).
- Asterism_(gemology) sameAs Asterismus_(Mineralogie).
- Asterism_(gemology) sameAs Αστερισμός_(ορυκτολογία).
- Asterism_(gemology) sameAs Asterismo_(gemología).
- Asterism_(gemology) sameAs Astérisme_(gemmologie).
- Asterism_(gemology) sameAs אסטריזם.
- Asterism_(gemology) sameAs Asterismo.
- Asterism_(gemology) sameAs スター効果.
- Asterism_(gemology) sameAs Asterisme_(mineralogie).
- Asterism_(gemology) sameAs Asterisme.
- Asterism_(gemology) sameAs Asteryzm_(mineralogia).
- Asterism_(gemology) sameAs Asterismo_(gemologia).
- Asterism_(gemology) sameAs m.03_lw0.
- Asterism_(gemology) sameAs Астеризм_(минералогия).
- Asterism_(gemology) sameAs Астеризам_(ефекат).
- Asterism_(gemology) sameAs Asterism_(kristaller).
- Asterism_(gemology) sameAs Q747746.
- Asterism_(gemology) wasDerivedFrom Asterism_(gemology)?oldid=692880039.
- Asterism_(gemology) depiction Star-Saphire.jpg.
- Asterism_(gemology) isPrimaryTopicOf Asterism_(gemology).