{"id":11146,"date":"2022-05-23T11:25:54","date_gmt":"2022-05-23T03:25:54","guid":{"rendered":"https:\/\/jiehonggem.com\/?p=11146"},"modified":"2022-06-14T14:10:53","modified_gmt":"2022-06-14T06:10:53","slug":"gemdata-beryl-emerald","status":"publish","type":"post","link":"https:\/\/jiehonggem.com\/gemdata-beryl-emerald\/","title":{"rendered":"Beryl – Emerald"},"content":{"rendered":"\n\n\n
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Description:<\/strong><\/p>Emerald is a variety of the mineral species beryl (BARE-ul); hexagonal crystal system.<\/cite><\/blockquote>\n\n\n\n

Appearance:<\/strong><\/p>\u2022 transparent; highly included stones may be translucent
\u2022 light to very dark green to very strongly bluish green<\/cite><\/blockquote>\n\n\n\n

Identification:<\/strong><\/p>Refractive Index: 1.577-1.583 (+-.017)
Absorption Spectra: distinct lines at 683 and 680.5 nm, less distinct lines 662 and 646, partial absorption between 630 and 580 nm and almost complete absorption of the violet
Cause of Color: usually chromium; some are colored by vanadium, or by both chromium
and vanadium 
Specific Gravity: 2.72 (+.18,-.05)
Hardness: 7 1\/2 to 8 ; Toughness: poor to good<\/cite><\/blockquote>\n\n\n\n

Stone Information from:<\/strong><\/p>Gem Reference Guide, by GIA, ISBN 0-87311-019-6
Gemstones of the world, Third Edition, by Walter Schumann, ISBN 1-4027-4016-6
https:\/\/www.gemdat.org\/gem-1375.html
https:\/\/www.mindat.org\/min-1375.html<\/cite><\/blockquote>\n\n\n\n

<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Description: Emerald is a variety of the mineral species beryl (BARE-ul); hexagonal crystal system. Appearance: \u2022 transparent; highly included stones may be translucent\u2022 light to very dark green to very strongly bluish green Identification: Refractive Index: 1.577-1.583 (+-.017)Absorption Spectra: distinct lines at 683 and 680.5 nm, less distinct lines 662 and 646, partial absorption between […]\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[405],"tags":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/jiehonggem.com\/wp-json\/wp\/v2\/posts\/11146"}],"collection":[{"href":"https:\/\/jiehonggem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jiehonggem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jiehonggem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jiehonggem.com\/wp-json\/wp\/v2\/comments?post=11146"}],"version-history":[{"count":3,"href":"https:\/\/jiehonggem.com\/wp-json\/wp\/v2\/posts\/11146\/revisions"}],"predecessor-version":[{"id":12350,"href":"https:\/\/jiehonggem.com\/wp-json\/wp\/v2\/posts\/11146\/revisions\/12350"}],"wp:attachment":[{"href":"https:\/\/jiehonggem.com\/wp-json\/wp\/v2\/media?parent=11146"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jiehonggem.com\/wp-json\/wp\/v2\/categories?post=11146"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jiehonggem.com\/wp-json\/wp\/v2\/tags?post=11146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}