{"id":168998,"date":"2024-11-18T20:32:52","date_gmt":"2024-11-18T20:32:52","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=168998"},"modified":"2024-11-18T20:32:54","modified_gmt":"2024-11-18T20:32:54","slug":"a-good-ruby-simulant-could-me-made-from","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2024\/11\/18\/a-good-ruby-simulant-could-me-made-from\/","title":{"rendered":"A good ruby simulant could me made from"},"content":{"rendered":"\n

A good ruby simulant could me made from _<\/em>.
1) spinel
2) red corundum
3) molten Aluminum Oxide
4) Rubies can’t be simulated, only synthesized
5) heat treated low-quality rubies<\/p>\n\n\n\n

The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n

The correct answer is 1) spinel<\/strong>.<\/p>\n\n\n\n

Explanation:<\/h3>\n\n\n\n

A ruby simulant<\/strong> is a material that mimics the appearance of a ruby, but is not chemically the same. Rubies are a variety of corundum (Al\u2082O\u2083), and their red color comes from trace amounts of chromium. When looking for a good ruby simulant, we are seeking materials that resemble the physical properties (color, transparency, luster) of rubies but do not have the same chemical composition.<\/p>\n\n\n\n

Spinel<\/strong> is a commonly used ruby simulant<\/strong>. It is a naturally occurring gemstone composed of magnesium aluminate (MgAl\u2082O\u2084), which can have a deep red color similar to that of a ruby due to the presence of trace iron or chromium. Spinel is often used as a simulant because it has a similar appearance and hardness to rubies (it ranks around 8 on the Mohs scale of hardness, while ruby is a 9). Although spinel does not have the exact same optical properties as ruby (such as refractive index or dispersion), it is a popular choice in jewelry due to its affordability and color variety. In fact, red spinels were historically mistaken for rubies, especially before advanced gemological techniques were developed.<\/p>\n\n\n\n

Other Options:<\/h3>\n\n\n\n
    \n
  • 2) Red corundum<\/strong>: This is actually a ruby itself, as rubies are a variety of red corundum. Thus, it cannot be used as a simulant.<\/li>\n\n\n\n
  • 3) Molten Aluminum Oxide<\/strong>: This refers to the chemical composition of corundum (including rubies), but in molten form, it would not resemble a ruby until it solidifies and forms crystals. Even then, it would be corundum, not a simulant.<\/li>\n\n\n\n
  • 4) Rubies can’t be simulated, only synthesized<\/strong>: This is incorrect. While rubies can be synthesized in labs (using methods like flux or high-temperature fusion), they can still be simulated by other materials like spinel, garnet, or glass. Simulation and synthesis are different concepts\u2014synthesis refers to creating a true ruby, while simulation refers to creating a look-alike.<\/li>\n\n\n\n
  • 5) Heat treated low-quality rubies<\/strong>: Heat treatment is used to enhance the color or clarity of natural rubies, but this does not create a simulant. It is still a ruby, just improved in quality.<\/li>\n<\/ul>\n\n\n\n

    In conclusion, spinel<\/strong> is one of the best and most historically significant ruby simulants, and it is widely used in the gem industry.<\/p>\n","protected":false},"excerpt":{"rendered":"

    A good ruby simulant could me made from _.1) spinel2) red corundum3) molten Aluminum Oxide4) Rubies can’t be simulated, only synthesized5) heat treated low-quality rubies The Correct Answer and Explanation is: The correct answer is 1) spinel. Explanation: A ruby simulant is a material that mimics the appearance of a ruby, but is not chemically […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-168998","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/168998","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=168998"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/168998\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=168998"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=168998"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=168998"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}