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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

Metal melting and energy saving in melting furnaces
Refractories/Insulation 

Metal melting and energy saving in melting furnaces

August 28, 2026August 26, 2026 admin

In today’s world, a large proportion of metal smelted from ore or secondary waste is made using melting furnaces that

Design features of modern induction furnace units
Refractories/Insulation 

Design features of modern induction furnace units

August 28, 2026August 26, 2026 admin
Refractories: Imerys acquires US’s Great Lakes Minerals
Refractories/Insulation 

Refractories: Imerys acquires US’s Great Lakes Minerals

July 7, 2026July 3, 2026 admin
Latest from refractories materials industry
Refractories/Insulation 

Latest from refractories materials industry

August 15, 2025August 11, 2025 admin

LIVE PRECIOUS METAL PRICES



PRODUCT NEWS

thyssenkrupp Steel issues final acceptance for slab caster at Duisburg site
Product News 

thyssenkrupp Steel issues final acceptance for slab caster at Duisburg site

September 4, 2026August 31, 2026 admin

LONDON, United Kingdom, thyssenkrupp Steel issued the final acceptance certificate (FAC) for continuous slab casting machine No.4 from Primetals Technologies

KG Steel Selects Primetals for PLTCM Modernization in Dangjin, Korea
Product News 

KG Steel Selects Primetals for PLTCM Modernization in Dangjin, Korea

August 18, 2026August 17, 2026 admin
Electra Mining showcases the technologies shaping tomorrow’s industry
Product News 

Electra Mining showcases the technologies shaping tomorrow’s industry

August 7, 2026August 4, 2026 admin
Nucor Corporation to revamp its continuous caster
Product News 

Nucor Corporation to revamp its continuous caster

August 6, 2026August 4, 2026 admin
China’s Lidao orders technology control systems for aluminium foil mill
Base Metals Product News 

China’s Lidao orders technology control systems for aluminium foil mill

July 30, 2026July 28, 2026 admin
Primetals Technologies to Revamp CSP Mill at WISCO in China
Product News 

Primetals Technologies to Revamp CSP Mill at WISCO in China

July 24, 2026July 22, 2026 admin
First Robotic Coil Trimming and Sampling System at Hyundai Steel
Product News 

First Robotic Coil Trimming and Sampling System at Hyundai Steel

July 22, 2026July 20, 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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