{"id":4420,"date":"2026-10-07T18:46:38","date_gmt":"2026-10-07T18:46:38","guid":{"rendered":"https:\/\/rokhamhub.com\/?p=4420"},"modified":"2026-10-07T18:52:20","modified_gmt":"2026-10-07T18:52:20","slug":"%d8%a7%d9%84%d8%a8%d8%a7%d8%b2%d9%84%d8%aa-%d8%a7%d9%84%d8%a3%d8%b3%d9%88%d8%af","status":"publish","type":"post","link":"https:\/\/rokhamhub.com\/en\/%d8%a7%d9%84%d8%a8%d8%a7%d8%b2%d9%84%d8%aa-%d8%a7%d9%84%d8%a3%d8%b3%d9%88%d8%af\/","title":{"rendered":"Black Basalt"},"content":{"rendered":"<p class=\"wp-block-wd-paragraph wd-d71a396d\"><strong>Black Basalt<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d3dd4282\"><strong>Profile: Black Basalt<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Stone name<\/strong><strong>:<\/strong> Black basalt (Black Basalt)<\/li>\n\n\n\n<li><strong>Trade name<\/strong><strong>:<\/strong> Black basalt, Egyptian basalt stone (or volcanic basalt depending on the country of origin, such as Jordanian or Syrian basalt).<\/li>\n\n\n\n<li><strong>Geological classification<\/strong><strong>:<\/strong> Basic volcanic (extrusive) igneous rock (Mafic Igneous Rock).<\/li>\n\n\n\n<li><strong>Type<\/strong><strong>:<\/strong> 100% natural rock.<\/li>\n\n\n\n<li><strong>Quarry<\/strong><strong>:<\/strong> Found in areas with a volcanic history; in the Middle East, well-known quarries include areas such as Abu Zaabal in Egypt, Sweida in Syria, and the northern and central regions of Jordan and Saudi Arabia.<\/li>\n\n\n\n<li><strong>Color and appearance<\/strong> <strong>:<\/strong>Deep black or very dark gray, with a solid, uniform appearance, and it may sometimes contain fine pores or voids caused by volcanic gases.<\/li>\n\n\n\n<li><strong>Hardness<\/strong>: Very high, ranging from 6 to 7 on the Mohs scale (Mohs Scale), making it stronger than most types of marble and limestone.<\/li>\n\n\n\n<li><strong>Water absorption<\/strong><strong>:<\/strong> Very low, usually ranging from 0.1% to 0.5%, giving it superior moisture resistance.<\/li>\n\n\n\n<li><strong>Density:<\/strong> High, ranging from 2.8 to 3.0 g\/cm\u00b3.<\/li>\n\n\n\n<li><strong>Abrasion and scratch resistance<\/strong><strong>:<\/strong> Excellent; it does not scratch easily and withstands heavy friction and heavy loads without wear.<\/li>\n\n\n\n<li><strong>Weather resistance<\/strong><strong>:<\/strong> Superior; it resists acid rain, ultraviolet rays and harsh temperature changes (thermal shock and cracking) without any change in color or properties.<\/li>\n\n\n\n<li><strong>Ideal use<\/strong><strong>:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Paving streets and outdoor walkways (random or regular basalt stone).<\/li>\n\n\n\n<li>Garden walkways and driveways (Driveways).<\/li>\n\n\n\n<li>Cladding for modern and historic building facades.<\/li>\n\n\n\n<li>Interior wall decor (modern).<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Suitable finishes<\/strong><strong>:<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Rock face<\/strong><strong> (Rock-faced \/ Split) :<\/strong>A rough, prominent natural look.<\/li>\n\n\n\n<li><strong>Tooled \/ pitted<\/strong><strong> (Bush-hammered) :<\/strong>A textured look that prevents slipping.<\/li>\n\n\n\n<li>Matte (Honed): a smooth texture without strong shine that brings out the depth of the black color.<\/li>\n\n\n\n<li><strong>Polished<\/strong><strong> <\/strong>(<strong>Polished<\/strong>): Rarely used outdoors; used indoors to give a dark marble-like look.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Advantages<\/strong><strong>:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Everlasting durability and resistance to heavy loads and high pressure.<\/li>\n\n\n\n<li>Slip-resistant when given a rough finish.<\/li>\n\n\n\n<li>Unaffected by oils or stains thanks to its low porosity.<\/li>\n\n\n\n<li>Gives a strong sense of luxury and architectural character (whether classic or modern).<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Disadvantages<\/strong><strong>:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Difficult to cut and shape due to its extreme hardness, which raises fabrication costs.<\/li>\n\n\n\n<li>Absorbs a lot of heat in summer due to its deep black color.<\/li>\n\n\n\n<li>Its heavy weight requires specific installation skills (especially on high facades).<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Maintenance<\/strong><strong>:<\/strong> Very easy; it only needs periodic high-pressure water washing to remove dust. It does not need sealers (Sealers) unless you want to give it a permanent wet look (Wet Look).<\/li>\n\n\n\n<li><strong>Alternatives<\/strong><strong>:<\/strong> Black granite (such as Black Aswan or Galaxy), diorite stone, or black limestone (taking the difference in hardness into account).<\/li>\n\n\n\n<li><strong>Average price:<\/strong> Medium to high; the price varies greatly by thickness (2 cm differs from 5 or 10 cm cubes and interlock), finishing method (rock face or polished), and type of shipping and sorting.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"","protected":false},"author":16,"featured_media":4421,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_rhkc_fx":30,"_rhkc_fy":30,"_rhkc_fz":1,"footnotes":""},"categories":[437],"tags":[],"class_list":["post-4420","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-egyptian-materials"],"_links":{"self":[{"href":"https:\/\/rokhamhub.com\/en\/wp-json\/wp\/v2\/posts\/4420","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rokhamhub.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rokhamhub.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rokhamhub.com\/en\/wp-json\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/rokhamhub.com\/en\/wp-json\/wp\/v2\/comments?post=4420"}],"version-history":[{"count":1,"href":"https:\/\/rokhamhub.com\/en\/wp-json\/wp\/v2\/posts\/4420\/revisions"}],"predecessor-version":[{"id":4422,"href":"https:\/\/rokhamhub.com\/en\/wp-json\/wp\/v2\/posts\/4420\/revisions\/4422"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rokhamhub.com\/en\/wp-json\/wp\/v2\/media\/4421"}],"wp:attachment":[{"href":"https:\/\/rokhamhub.com\/en\/wp-json\/wp\/v2\/media?parent=4420"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rokhamhub.com\/en\/wp-json\/wp\/v2\/categories?post=4420"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rokhamhub.com\/en\/wp-json\/wp\/v2\/tags?post=4420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}