vermiculite mining vermiculite

  • CDC - Vermiculite - NIOSH Workplace Safety and Health Topic

    Vermiculite is a mineral that rapidly expands when heated. Expanded vermiculite is used in construction and consumer materials. Vermiculite mined near Libby, Montana, which accounted for more than half the worldwide production of vermiculite from 1925 to 1990, was contaminated with asbestos and asbestos-like fibers.

  • Vermiculite Building Insulation & Asbestos Hazards ...

    Vermiculite History & Properties Vermiculite discovery, mining history, properties, How to recognize vermiculite building insulation that may contain asbestos fibers - Vermiculite history & properties: This article describes the early history of discovery, description & mining of vermiculite and we describe the properties of vermiculite that have formed the basis of its widespread uses in many ...

  • Palabora US | Vermiculite Mining | USA

    Palabora America Ltd. is the USA sales subsidiary of Palabora Mining Company (PMC). PMC produces copper as a primary product together with by-products including magnetite, nickel sulphate, uranium, anode slimes and sulphuric acid. Industrial minerals production produces vermiculite. PMC is South Africa's largest producer of refined copper.

  • Vermiculite - Wikipedia

    Vermiculite is a hydrous phyllosilicate mineral.It undergoes significant expansion when heated. Exfoliation occurs when the mineral is heated sufficiently, and the effect is routinely produced in commercial furnaces. Vermiculite is formed by weathering or hydrothermal alteration of biotite or phlogopite. Large commercial vermiculite mines currently exist in Russia, South Africa, China, and …

  • Montana | The Dangers of Vermiculite Mining

    Montana Vermiculite Mines. Gold miners in Libby, Montana discovered vermiculite in 1881. Vermiculite is a mineral commonly used in insulation, brake linings, roofing, and soil conditioners. In the 1920s, the Zonolite Company began mining the vermiculite, known commercially as Zonolite.

  • Home - The Vermiculite Association

    Vermiculite dispersions are used in heat and fire resistant coatings, as well as barrier and binder applications TVA's Best Practices Program The Best Practices Program for Asbestos Detection and Control Protocol: Vermiculite Mining and Milling promotes mining operations that are following proper protocol for asbestos detection and control.

  • Vermiculite ore

    Saint-Petersburg Mica Manufactory offers vermiculite ore from Kovdor origin for the exfoliation and for the production of the expanded vermiculite and vermiculite products . Saint-Petersburg Mica Manufactory (in Russian Sludyanaya Fabrika) has a license for the vermiculite mining from 2017.


    Health risks in Vermiculite mining. The largest and oldest vermiculite mine in the United States was started in the 1920s, at Libby, Montana, and the vermiculite was sold under the commercial name Zonolite. The Zonolite brand and the mine was acquired by the W.R. Grace Company in 1963.

  • Vermiculite Home Page for Information about Vermiculite ...

    The Vermiculite Association--- The Vermiculite Association is an international association of vermiculite mining companies and expanders. Although not all mining companies and expanding companies belong to the Vermiculite Association (for instance, The Schundler Company is not a member), you can find the name of many manufacturers at this site ...

  • What is Vermiculite? - The Vermiculite Association

    Vermiculite is mined using open cast mining techniques where the ore is separated from other minerals and then screened or classified into several basic particle sizes. Every care is taken in mining operations to minimize the impact on the environment and to restore land to its natural condition when mining ends.

  • Vermiculite Mineral Flotation | ArrMaz

    Lower-grade vermiculite mineral needs can be met with gravity separation whereas higher-grade vermiculite is primarily achieved using flotation. Flotation can be used to recover vermiculite of varying sizes and a two-stage flotation process can produce a range of grades for specific end uses.

  • Asbestos And Mining - Asbestos Network

    Mining and milling activities to remove asbestos from underground rock exposes workers to dangerous levels of the carcinogen. Besides the workers, people who live near asbestos mines also have an increased risk of exposure. Tremolite Asbestos In Vermiculite Mines

  • Protect Your Family from Asbestos-Contaminated Vermiculite ...

    Sizes of vermiculite products range from very fine particles to large (coarse) pieces nearly an inch long. Top of Page. Concerns about Asbestos-contaminated Vermiculite Insulation. A mine near Libby, Montana, was the source of over 70 percent of all vermiculite sold in …

  • How vermiculite is made - material, history, used ...

    Vermiculite Mining. Vermiculite is a member of the phyllosilicate group of minerals and is found in many parts of the world. Vermiculite can contain many other minerals, including asbestos. However, not all vermiculite is contaminated.

  • Raw Vermiculite Manufactures and Suppliers - Vermiculite ...

    WHITE KNIGHT MINERALS formerly known as SRI SAIRAM INSULATIONS was established in 2005 at Nellore district in Andhra Pradesh.The White Knight and acquired businesses, comes about 14 years performing mining activities, processing, manufacturing and marketing of Vermiculite concentrate and derivative products of its vertical integration chain for the agricultural, industrial, civil constructions ...

  • Libby, Montana — The Asbestos Outbreak

    Vermiculite mining in Libby began more than 80 years ago when E.N. Alley bought the Rainy Creek claims and launched Zonolite Company. In 1963, the Maryland-based W.R. Grace and Company acquired Alley's Zonolite business. By this time, vermiculite had been mined for more than 40 years in an area about seven miles outside of Libby.

  • Vermiculite Minerals|Uses of Chemical Compound

    After the processes of mining and milling, the ore is then later heated to exfoliate and to be formed into a substance that is fire opposing, chemically inert, absorbent, weighs less and odorless. Exfoliated mineral ore of vermiculite is utilized mainly in supplies included in agricultural and horticultural products.

  • Global Vermiculite Mining Market Forecast Report 2019-2022 ...

    Sep 11, 2019· The "Vermiculite Mining Global Market Forecast To 2022" report has been added to's offering. Global Vermiculite Mining Market Forecast to …

  • Home · Dicalite Management Group

    One of only two brands mining in the United States, Specialty Vermiculite is the preeminent producer of Vermiculite. Our product is mined in South Carolina and exfoliated across five state-of …

  • namekara – Namekara Vermiculite Mine

    NMCL is the owner of the Namekara Vermiculite Mine and the Busumbu Phosphate Project located in south eastern Uganda. The Namekara Vermiculite Mine is thought to be the largest and one of the highest grade Vermiculite mines in the world. The mine produces 30 000tpa of high grade Vermiculite.

  • Australian Resources | Vermiculite | MiningLink - The ...

    There are few vermiculite mining operations in the south west Pacific region but there is the potential to develop an economic mine in New South Wales, north of Fifield in the Tottenham area, where there are two large deposits. The NSW deposit of vermiculite was discovered in 1991 at Hillview, near Tottenham.

  • Sri Ramamaruti Vermiculite Mines - Wholesale Supplier of ...

    sri ramamaruthi vermiculite mines were founded by mr t. meenatchi sundaram, managing director, in the year 1984. srvm concentrates in the mining and processing of raw vermiculite and exfoliated vermiculite. vermiculite finds its applications in construction, steel, refractory, thermal and acoustic, horticulture, agriculture, paint solvent ...

  • Vermiculite Insulation - Pro-Tech Home Inspection Services

    Vermiculite Insulation. Early 19th century homes have some of the most unique and elegant designs ever built to date. New materials, expanded structural methods, and the birth of the first precision tools in the early 1900's allowed American architects to adopt designs based on Greek architecture.


    The Vermiculite Institute is being organized to provide a voice to those who desire a more proactive resource. It is true the Libby, Montana vermiculite mine contained asbestos; and it is true that many miners and some plant workers who had regular exposure to the mine and to the crude vermiculite from that mine have developed health problems.

  • Vermiculite in Turkey – Organic Mining - Organik Madencilik

    Totally 5.225.000 tonnes of vermiculite is reported. The geological reserve potential is stil open at Karakoc Vermiculite Deposit. Due to technologic tests, expantion ratio changes between 13 and 18 times according to temperature. The reserve and quality of vermiculite at Karakoc deposit is approved by independent studies.

  • Palabora US | Vermiculite Mining | USA

    Crude vermiculite is a member of the phyllosilicate group of minerals, resembling mica in appearance. Although vermiculite is found in various parts of the world, Palabora mines deposits in the Phalaborwa region of the Limpopo Province in South Africa.

  • Division of Geology and Mineral Resources - Vermiculite

    Vermiculite is a clay mineral group with the general chemical composition (Mg,Fe,Al) 3 (Al,Si) 4 O 10) (OH) 2 ·4(H 2 O). Often occurring as an alteration product of biotite mica or chlorite in the near-surface zone of weathering, vermiculite is typically found associated with ultramafic rock types such as peridotite and pyroxenite that have been previously altered by intrusions of granite ...

  • Exfoliated Vermiculite - Vermiculite for Swimming Pool ...

    The exfoliated Vermiculite for Swimming Pool lining concrete is also used in the construction industries today and has wide applications, one of them being used as an additive to fireproof wallboard. It is a lightweight aggregate for plaster, proprietary concrete compounds, firestop mortar, and cementations spray fireproofing.

  • Vermiculite, Respiratory Disease, and Asbestos Exposure in ...

    Jan 03, 2007· Vermiculite from the mine near Libby, Montana, is contaminated with tremolite asbestos and other amphibole fibers (winchite and richterite). Asbestos-contaminated Libby vermiculite was used in loose-fill attic insulation that remains in millions of homes in …

  • Vermiculite Mining Companies in the United States - Manta

    8 · 7 Vermiculite Mining Companies in the United States. Search or browse our list of Vermiculite Mining companies by category or location.

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