{"product_id":"coal-bituminous","title":"Coal (bituminous)","description":"\u003cp\u003eBituminous coal is the high grade of coal most people are used to. The black, soft rock is the most common coal used around the world for heat production, and is considered a significant polluter and contributor to greenhouse gas production. Does \u003cem\u003enot\u003c\/em\u003e contain recognisable plant fragments. \u003c\/p\u003e\n\u003cp\u003eTHIS PRODUCT SHOULD NOT BE USED FOR HEATING OR COMBUSTION EXPERIMENTS INDOORS. It burns very hot and is very hard to extinguish.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSedimentary: \u003c\/strong\u003eFormed from the accumulation and burial of dead land-based plant material such as wood, bark, roots, leaves, etc. (therefore technically an '\u003cstrong\u003eorganic sedimentary\u003c\/strong\u003e' rock).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSource location:\u003c\/strong\u003e Westland.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSizes:\u003c\/strong\u003e Choose from the dropdown menu: \u003cem\u003eSmall specimen\u003c\/em\u003e, \u003cem\u003eHand specimen,\u003c\/em\u003e\u003cem\u003e Shelf specimen \u003c\/em\u003eor\u003cem\u003e Extra large shelf specimen.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eImages are examples of specimens only. Sizes and shapes may vary.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMore detail\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eStructure\u003c\/h4\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eBituminous coal is a sedimentary rock composed mainly of carbon-rich plant material. It forms from the burial and compaction of organic matter over millions of years, and thus demonstrates a layered or banded structure.\u003c\/p\u003e\n\u003ch4\u003eType\u003c\/h4\u003e\n\u003cp\u003eOrganic sedimentary rock.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComparison with anthracite coal:\u003c\/strong\u003e If black, layered, with alternating shiny and dull bands it's likely \u003cstrong\u003ebituminous\u003c\/strong\u003e. If jet-black or steel-black, very shiny, dense and sharp-breaking it's likely \u003cstrong\u003eanthracite.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4\u003ePhysical properties of bituminous coal\u003c\/h4\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour\u003c\/strong\u003e: Typically black or brownish black.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLustre\u003c\/strong\u003e: Shiny.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness\u003c\/strong\u003e: Brittle. Relatively soft, with a hardness ranging from 1 to 3 on the Mohs scale.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDensity\u003c\/strong\u003e: Ranges from 1.1 to 1.5 grams per cubic centimetre. Denser than lignite.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch4\u003eGeneral properties of bituminous coal\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon Content\u003c\/strong\u003e: Has a high carbon content, usually ranging from 40% to 90%, along with varying amounts of volatile matter, moisture, and ash.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombustibility\u003c\/strong\u003e: Highly combustible and releases a significant amount of heat when burned.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormation\u003c\/strong\u003e: Forms from the compression and heating of peat, a precursor to coal, over long periods of time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Content\u003c\/strong\u003e: Has a high energy content, making it a valuable fuel source for electricity generation and industrial processes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eUses of bituminous coal in New Zealand and worldwide\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Production\u003c\/strong\u003e: A major source of energy, primarily used for electricity generation and heat production in power plants and industrial facilities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteel Production\u003c\/strong\u003e: A fuel and a reducing agent in the production of coke, a key component in the iron and steel industry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Processes\u003c\/strong\u003e: Used in various industrial processes, including cement manufacturing, paper production, and chemical synthesis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResidential Heating\u003c\/strong\u003e: In some regions, it is used for residential heating and as a source of warmth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbonisation\u003c\/strong\u003e: Can be subjected to carbonisation to produce coal tar, which is used in various applications, including the production of chemicals and synthetic materials.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Science Resource Box","offers":[{"title":"Small specimen","offer_id":51149052674215,"sku":null,"price":3.9,"currency_code":"NZD","in_stock":true},{"title":"Hand specimen","offer_id":51149052706983,"sku":null,"price":6.95,"currency_code":"NZD","in_stock":true},{"title":"Shelf specimen","offer_id":51149052739751,"sku":null,"price":13.95,"currency_code":"NZD","in_stock":false},{"title":"Extra large shelf specimen","offer_id":51149052772519,"sku":null,"price":24.95,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0534\/1193\/8471\/files\/Coal_bituminous_3.jpg?v=1786331020","url":"https:\/\/scienceresourcebox.co.nz\/products\/coal-bituminous","provider":"Science Resource Box","version":"1.0","type":"link"}