{"id":10908,"date":"2023-05-10T09:20:00","date_gmt":"2023-05-10T01:20:00","guid":{"rendered":"https:\/\/230411wadmp3.adwebcloud.com\/introduction-to-granite\/"},"modified":"2023-07-08T23:51:23","modified_gmt":"2023-07-08T15:51:23","slug":"introduction-to-granite","status":"publish","type":"post","link":"https:\/\/whitemarblegranite.com\/fr\/introduction-to-granite\/","title":{"rendered":"Introduction au granit"},"content":{"rendered":"<p style=\"white-space: normal;\">Le feldspath potassique blanc cass\u00e9 et le plagioclase sont souvent difficiles \u00e0 distinguer sur les \u00e9chantillons manuels. En effet, le plagioclase poss\u00e8de des cristaux doubles, et lorsque l'on fait tourner l'\u00e9chantillon manuel, on peut voir que les cristaux de plagioclase pr\u00e9sentent des agr\u00e9gats r\u00e9guliers clairs et sombres, tandis que le feldspath potassique est un cristal double en cassette, qui se pr\u00e9sente sous la forme de deux moiti\u00e9s de cristaux pr\u00e9sentant des degr\u00e9s de luminosit\u00e9 diff\u00e9rents.<\/p>\n<p style=\"white-space: normal;\"><\/p>\n<p style=\"white-space: normal;\">Le granit peut \u00eatre nomm\u00e9 en fonction des types de min\u00e9raux sombres. Par exemple, si les min\u00e9raux sombres sont principalement constitu\u00e9s de biotite, on peut parler de granite \u00e0 biotite, qui est un type de granite courant. Si la teneur en biotite et en muscovite est presque \u00e9gale, on parle de granite \u00e0 deux micas. Si le min\u00e9ral sombre est principalement de la hornblende, on parle de granite \u00e0 hornblende. Si le min\u00e9ral sombre est principalement du pyrox\u00e8ne, on parle de granite \u00e0 pyrox\u00e8ne. Le granite pierreux, qui ne contient presque pas de min\u00e9raux sombres, peut \u00eatre appel\u00e9 granite blanc.<\/p>","protected":false},"excerpt":{"rendered":"<p>Off-white potash feldspar and plagioclase are often difficult to distinguish on hand specimens. At this time, we must carefully observe the double crystal characteristics of these two feldspars, because plagioclase has double crystals, and when rotating the hand specimen, we can see that there are regular light and dark aggregates on the plagioclase crystals, and [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-10908","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"acf":[],"_links":{"self":[{"href":"https:\/\/whitemarblegranite.com\/fr\/wp-json\/wp\/v2\/posts\/10908","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/whitemarblegranite.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/whitemarblegranite.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/whitemarblegranite.com\/fr\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/whitemarblegranite.com\/fr\/wp-json\/wp\/v2\/comments?post=10908"}],"version-history":[{"count":0,"href":"https:\/\/whitemarblegranite.com\/fr\/wp-json\/wp\/v2\/posts\/10908\/revisions"}],"wp:attachment":[{"href":"https:\/\/whitemarblegranite.com\/fr\/wp-json\/wp\/v2\/media?parent=10908"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/whitemarblegranite.com\/fr\/wp-json\/wp\/v2\/categories?post=10908"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/whitemarblegranite.com\/fr\/wp-json\/wp\/v2\/tags?post=10908"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}