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Kagem Emerald Mine

Non-Metal 

Gemfields Group Market Update

July 1, 2025June 26, 2025 admin Kagem Emerald Mine, Montepuez Ruby Mine

LONDON – Gemfields has provided a market update regarding its three principal subsidiaries. Montepuez Ruby Mine (“MRM”) Construction of MRM’s

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Africa Non-Metal 

GEMFIELDS’ Kagem to recommence emerald mining

May 13, 2025May 9, 2025 admin Kagem Emerald Mine

LONDON – Gemfields is pleased to announce that Kagem Mining Limited (“Kagem”), the emerald mine in Zambia which is 75%

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Non-Metal 

Gemfields: losses due to disrupted market for emeralds and lower rubies production

April 22, 2025April 16, 2025 admin Kagem Emerald Mine, Montepuez Ruby Mine

LONDON: Gemfields the publication of the Company’s audited Annual Report and Accounts for the year ending 31 December 2024. Total

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Non-Metal 

Gemfields reports continued demand for rough emeralds and rubies

August 8, 2024August 5, 2024 admin Kagem Emerald Mine, Montepuez Ruby Mine

LONDON – Gemfields has released information about its operational results and financial position for the six months ended 30 June

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Non-Metal 

Robust auction results for higher-quality emeralds

June 13, 2024June 10, 2024 admin Kagem Emerald Mine

LONDON – Gemfields has announced the results of an auction comprised of higher-quality rough emeralds held during the period 13

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Non-Metal 

Gemfields latest: Commercial Quality Emeralds Auction Results

September 25, 2023September 20, 2023 admin Gemfields, Kagem Emerald Mine

Gemfields has announced the results of an auction comprised of commercial quality rough emeralds held during the period 29 August

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Africa Non-Metal 

Gemfields announces record emerald auction results

June 9, 2023June 5, 2023 admin Gemfields, Kagem Emerald Mine

LONDON – Gemfields has announced the results of an emerald auction comprised of higher-quality rough emeralds held during the period

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Europe Non-Metal 

Giant 7,525 carat ‘rhino emerald’ sells at Gemfields auction

December 9, 2021December 8, 2021 admin Gemfields, Kagem Emerald Mine

LONDON – Gemfields has announced the results of an emerald auction comprising a series of five sequential mini-auctions held during

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Africa Non-Metal 

Gemfields produces 73.2k carats of premium emeralds in 6 months

September 28, 2021September 26, 2021 admin Kagem Emerald Mine

Having been suspended in March 2020, operations at Kagem Mining Limited saw a phased resumption from March 2021, with operations

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Africa Non-Metal 

Gemfields returns to strong operational and financial performance

September 27, 2021September 24, 2021 admin Gemfields, Kagem Emerald Mine, Montepuez Ruby Mine

LONDON – After what has been a challenging 18 months for most businesses, the second quarter of 2021 has provided

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Africa Non-Metal 

New all-time record for commercial quality emerald

August 13, 2021August 12, 2021 admin Gemfields, Kagem Emerald Mine, Zambia

LONDON – Gemfields has announced the results of an auction of predominantly commercial quality rough emeralds held from 28 July

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Africa Non-Metal 

Gemfields restarts its mining operations

March 2, 2021March 1, 2021 admin Gemfields, Kagem Emerald Mine, Montepuez Ruby Mine

Gemfields Group has announced that both its 75% owned Kagem Mining Limited (Kagem) emerald mine and 75% owned Montepuez Ruby

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Africa Non-Metal 

Gemfields holds sufficient gemstone inventory for 3 auctions

December 27, 2020December 27, 2020 admin Gemfields, Kagem Emerald Mine, Montepuez Ruby Mine

Gemfields presently holds sufficient rough gemstone inventory to be able to host one auction of each of (i) mixed quality

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Africa Non-Metal 

Kagem’s emeralds yield average price of USD 59.84 per carat

December 14, 2020December 14, 2020 admin Gemfields, Kagem Emerald Mine, Zambia

Gemfields has announced the results of its series of five small and sequential emerald auctions held during the period 2

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Africa Non-Metal 

Gemfields progresses with five mini emerald auctions

November 12, 2020November 12, 2020 admin Gemfields, Kagem Emerald Mine, Montepuez Ruby Mine, Zambia

Gemfields Group’s typical auction schedule consists of five to six auctions per year: two of mixed-quality rubies and three to

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REFRACTORIES & FURNACES

Refratechnik celebrates its 75 anniversary
Refractories/Insulation 

Refratechnik celebrates its 75 anniversary

June 16, 2025June 12, 2025 admin

Proudly, Refratechnik celebrates its 75th anniversary with sincere thanks to all business partners and employees. What began in 1950 with

Design features of modern induction furnaces
Refractories/Insulation 

Design features of modern induction furnaces

January 21, 2025January 17, 2025 admin
Durability and wear monitoring of blast furnace 4 at ROGESA
Refractories/Insulation 

Durability and wear monitoring of blast furnace 4 at ROGESA

January 15, 2025January 13, 2025 admin
Metal melting and energy saving in different types of melting furnaces
Refractories/Insulation 

Metal melting and energy saving in different types of melting furnaces

January 14, 2025January 10, 2025 admin

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PRODUCT NEWS

Jiuli expands capacity with three cold pilger mills for seamless stainless steel tubes
Product News 

Jiuli expands capacity with three cold pilger mills for seamless stainless steel tubes

June 26, 2025June 23, 2025 admin

Zhejiang Jiuli Hi-Tech Metals Co., Ltd. (Jiuli), one of China’s leading manufacturers of stainless steel and special alloy products, has

Modernization of Jingye Steel’s heavy plate mill with new automation
Product News 

Modernization of Jingye Steel’s heavy plate mill with new automation

June 25, 2025June 23, 2025 admin
State-of-the-art rail and section mill facility for Vietnam
Product News 

State-of-the-art rail and section mill facility for Vietnam

June 24, 2025June 20, 2025 admin
Rio Tinto launches ore sorting demonstration project at its mine
Product News 

Rio Tinto launches ore sorting demonstration project at its mine

June 23, 2025June 20, 2025 admin
Pilot and demo plants for pCAM to support process development
Product News 

Pilot and demo plants for pCAM to support process development

June 20, 2025June 17, 2025 admin
Modernization and expansion of eight-strand Concast billet caster
Asia Product News 

Modernization and expansion of eight-strand Concast billet caster

June 19, 2025June 17, 2025 admin
New refining flux launched to remove ultra-fine oxides
Product News 

New refining flux launched to remove ultra-fine oxides

June 18, 2025June 17, 2025 admin

SERVICES

Paul Wurth completes reline of ArcelorMittal blast furnaces
Services 

Paul Wurth completes reline of ArcelorMittal blast furnaces

January 12, 2022January 12, 2022 admin

Paul Wurth, part of SMS group, has completed its work relining the blast furnaces of ArcelorMittal’s Juiz de Fora steel

Maersk intends to form joint venture with Grindrod in South Africa
Services 

Maersk intends to form joint venture with Grindrod in South Africa

December 4, 2021December 3, 2021 admin
HBIS Wusteel signs maintenance contracts with Primetals
Services 

HBIS Wusteel signs maintenance contracts with Primetals

June 1, 2021May 31, 2021 admin
Shutdown services tailored to suit customers
Services World 

Shutdown services tailored to suit customers

March 3, 2021March 2, 2021 admin

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