{"id":2635,"date":"2026-05-09T08:29:37","date_gmt":"2026-05-09T00:29:37","guid":{"rendered":"https:\/\/jtlcnc.com\/?p=2635"},"modified":"2026-05-09T08:29:40","modified_gmt":"2026-05-09T00:29:40","slug":"where-is-the-origin-of-indian-stone","status":"publish","type":"post","link":"https:\/\/jtlcnc.com\/ru\/2026\/05\/09\/where-is-the-origin-of-indian-stone\/","title":{"rendered":"Where is the origin of Indian stone?"},"content":{"rendered":"

Indian Stone (Gabbro for Precision Platforms \/ Indian Black) is primarily sourced from the southern Indian states of Karnatakdhra Pradesh, with a small amount coming from Tamil Nadu.<\/p>\n\n\n\n

I. Core Mining Areas (High-Quality Gabbro, Pure Black Fine Grain)
Karnataka \u2014 hamrajnagar
The main production area for the industry-recognized highest grade “Indian Black” (Absolute Black Granite \/ Gabbro).
Fine grain, pure black with no white spots, unifom structure, and minimal internal stress, making it the first choice for precision platforms \/ CMM bases.
Representative mining areas: Kothalwadi, Nanjang(near Mysore).
Andhra Pradesh \u2014 Chimakurthy \/ Ongole
Famous production area for “Black Gold” (Gabbro), with some mining sections sharing theme origin as Indian Stone used for precision platforms.
Pure black base, extremely fine gold specks (magnetite \/ ilmenite), high density, and good polish.
Appoximately 350km from Chennai (Madras), which is a major export port.<\/p>\n\n\n\n

II. Other Important Production Areas (Slightly inferior performance, slightly lower price)
Taml Nadu \u2014 Onnur: Fine-grained black granite with good luster; stability is slightly lower than that of Karnataka mines.
Rajasthan \u2014 Udaipur: “R Black,th trace impurities; mostly used for architectural decoration, rarely for ultra-precision platforms.<\/p>\n\n\n\n

III. Relationship between Origin and Quality
Karnataka (Chamrajn): \u2605\u2605\u2605\u2605\u2605 Top-tier, comparable to Jinan Green; the first choice for Grade 00 \/ Grade 000 platforms.
Andhra Pradesh (Chimaurthy): \u2605\u2605\u2605\u2605\u2606 High-end, pure black fine grain, high cost-effectiveness; mainstream for Grade 00 platforms.
Tamil Nadu \/ Rajasthan: \u2605\u2605\u2605\u2606\u2606 Midto-high-end, with color differences \/ trace impurities; suitable for general precision platforms.<\/p>\n\n\n\n

IV. Supplementary Notes
Commonly known in the market as “Indian Stone,” “Indian B” and “Black Gold,” these are all gabbro mineralogically; quality differences result solely from different origins \/ mining sections.
Over 90% of Indian Stone imported by China fon platforms comes from Karnataka and Andhra Pradesh.<\/p>\n\n\n\n

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

Indian Stone (Gabbro for Precision Platforms \/ Indian Black) is primarily sourced from the southern Indian states of Karnatakdhra Pradesh, with a small amount coming from Tamil Nadu. I. Core Mining Areas (High-Quality Gabbro, Pure Black Fine Grain)Karnataka \u2014 hamrajnagarThe main production area for the industry-recognized highest grade “Indian Black” (Absolute Black Granite \/ Gabbro).Fine…<\/p>","protected":false},"author":1,"featured_media":2639,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[35],"tags":[],"class_list":["post-2635","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"taxonomy_info":{"category":[{"value":35,"label":"NEWS"}]},"featured_image_src_large":["https:\/\/jtlcnc.com\/wp-content\/uploads\/2026\/05\/\u5fae\u4fe1\u56fe\u7247_20230324153508-1024x768.jpg",1024,768,true],"author_info":{"display_name":"jinxing6611@gmail.com","author_link":"https:\/\/jtlcnc.com\/ru\/author\/jtlcnc\/"},"comment_info":0,"category_info":[{"term_id":35,"name":"NEWS","slug":"news","term_group":0,"term_taxonomy_id":35,"taxonomy":"category","description":"","parent":0,"count":178,"filter":"raw","cat_ID":35,"category_count":178,"category_description":"","cat_name":"NEWS","category_nicename":"news","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/jtlcnc.com\/ru\/wp-json\/wp\/v2\/posts\/2635","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jtlcnc.com\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jtlcnc.com\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jtlcnc.com\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jtlcnc.com\/ru\/wp-json\/wp\/v2\/comments?post=2635"}],"version-history":[{"count":1,"href":"https:\/\/jtlcnc.com\/ru\/wp-json\/wp\/v2\/posts\/2635\/revisions"}],"predecessor-version":[{"id":2638,"href":"https:\/\/jtlcnc.com\/ru\/wp-json\/wp\/v2\/posts\/2635\/revisions\/2638"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jtlcnc.com\/ru\/wp-json\/wp\/v2\/media\/2639"}],"wp:attachment":[{"href":"https:\/\/jtlcnc.com\/ru\/wp-json\/wp\/v2\/media?parent=2635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jtlcnc.com\/ru\/wp-json\/wp\/v2\/categories?post=2635"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jtlcnc.com\/ru\/wp-json\/wp\/v2\/tags?post=2635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}