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Montepuez Ruby Mine

Non-Metal 

Illegal mining and grade volatility, restricted premium ruby production

March 30, 2026March 30, 2026 admin Montepuez Ruby Mine

LONDON – Sean Gilbertson, CEO of Gemfields, says that it has been a difficult year for Gemfields. The well documented

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Non-Metal 

GEMFIELDS – ruby mine’s second processing plant is nearing completion

August 6, 2025August 4, 2025 admin Kagem Emerald Mine, Montepuez Ruby Mine

LONDON – In its operational results and financial position for the six months to 30 June 2025, Gemfields (incorporating 75%-owned

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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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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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Africa 

Gemfields Group updates on Mozambique unrest

January 10, 2025January 8, 2025 admin Montepuez Ruby Mine

LONDON – On 24 December 2024, Gemfields made an announcement regarding incidents occurring on 23 December 2024 and involving groups

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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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Africa Non-Metal 

Gemfields announces auction results for mixed-quality rubies

June 21, 2024June 20, 2024 admin Montepuez Ruby Mine

LONDON: Gemfields has announced the results of a ruby auction comprised of mixed-quality rough rubies held during the period 3

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Africa Non-Metal 

Gemfields Group reports record ruby auction results

December 15, 2021December 13, 2021 admin Gemfields, Montepuez Ruby Mine

LONDON – Gemfields has announced the results of a ruby auction comprised of seven sequential mini-auctions held during the period

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Africa Non-Metal 

Gemfields produces 21,700 carats of premium ruby in Mozambique

September 29, 2021September 28, 2021 admin Gemfields, Montepuez Ruby Mine, Mozambique

Having been suspended in April 2020, operations at Montepuez Ruby Mining Limitada (“MRM”) resumed in March 2021, returning to normal

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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 

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 

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

Refractories: Imerys acquires US’s Great Lakes Minerals
Refractories/Insulation 

Refractories: Imerys acquires US’s Great Lakes Minerals

July 7, 2026July 3, 2026 admin

Imerys has concluded the acquisition of Great Lakes Minerals, a U.S.-based processor of specialty minerals serving the refractory and abrasives

Latest from refractories materials industry
Refractories/Insulation 

Latest from refractories materials industry

August 15, 2025August 11, 2025 admin
RHI Magnesita introduces new refractory solutions contract model
Refractories/Insulation 

RHI Magnesita introduces new refractory solutions contract model

August 14, 2025August 11, 2025 admin
Refratechnik celebrates its 75 anniversary
Refractories/Insulation 

Refratechnik celebrates its 75 anniversary

June 16, 2025June 12, 2025 admin

LIVE PRECIOUS METAL PRICES



PRODUCT NEWS

New Benchmark in Zero-Defect Rail Steel Casting
Product News 

New Benchmark in Zero-Defect Rail Steel Casting

July 2, 2026June 29, 2026 admin

LONDON, UNITED KINGDOM. Wuhan Iron and Steel Co., Ltd. (WISCO) and Primetals Technologies recently signed a contract for a 6-strand

ELL Series screens to boost quarry throughput by up to 20%
Product News 

ELL Series screens to boost quarry throughput by up to 20%

July 2, 2026June 29, 2026 admin
Hoa Phat to enter high-quality market for steel products in Vietnam
Product News 

Hoa Phat to enter high-quality market for steel products in Vietnam

June 26, 2026June 24, 2026 admin
Transforming cold rolling mill into a sustainable copper strip solution
Product News 

Transforming cold rolling mill into a sustainable copper strip solution

June 19, 2026June 18, 2026 admin
Upgrading pickling line and tandem cold mill automation systems
Product News 

Upgrading pickling line and tandem cold mill automation systems

June 8, 2026June 7, 2026 admin
Process automation in hot strip mill at Steel Dynamics in Butler, USA
Product News 

Process automation in hot strip mill at Steel Dynamics in Butler, USA

June 5, 2026June 3, 2026 admin
Closed-die forging press at TZCO Chain Manufacturing in China
Product News 

Closed-die forging press at TZCO Chain Manufacturing in China

June 4, 2026June 3, 2026 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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