Pedras Congonhas

What Pedras Congonhas does

Pedras Congonhas Extração Arte Indústria Ltda. is a privately held Brazilian mining company founded on May 14, 1971 in Nova Lima, Minas Gerais, with administrative headquarters in Belo Horizonte. The company extracts serpentinite — a rock rich in silicon and magnesium — alongside quartzite, sand, phyllite, and iron ore, and reports reserves supporting 500+ years of useful life at current extraction rates. Operations center on a "zero-tailings, zero-dam" mining model that maximizes utilization of the full chemical composition of extracted rock.

The company runs four commercial product lines plus a pilot operation. Construction aggregates comprise crushed stone grades (Brita 0–3), sand, graded stone, stone dust, and transition materials sold to deposits, builders, and distributors. Steel industry products include scorifying flux agents, anti-clustering additives for blast furnaces, and briquette binders supplied to coke-integrated steelmakers. Agricultural inputs center on Dunito, a magnesium silicate fertilizer (24% Mg, 16% Si) with MAPA registration and IBD/NOP-USDA/CEE 834/07/JAS organic certifications, plus MPC#325 seed coating agent at 325 mesh. Industrial mineral fillers serve plastics, rubber, foams, and paints. The MgGreen pilot plant, operational since 2025 with Finep funding, produces high-purity magnesium hydroxide for flame retardants, cosmetics, and pharmaceuticals.

Pedras Congonhas sells B2B via direct sales contacts per category with quote-based custom pricing; no public price lists are available. The company holds ISO 9001 certification (since 2014), 11 patent applications with INPI (first granted in 2023), and sustains R&D partnerships with EMBRAPA, UFMG, UFV, Finep, BHTEC, and the Federal Public Ministry's Participa Minas program. Ownership is private and founder-controlled with no disclosed institutional investors; headcount is reported at 11–50 employees and revenue is not disclosed.

Name

Pedras Congonhas

Legal name

Pedras Congonhas Extração Arte Indústria Ltda.

Website

https://pedrascongonhas.com.br

Company type

Private

Founded year

1971

Operating status

Operating

Headcount range

11–50 employees

Ownership category

akta.pro rank

Product category

Industrial Mining and Mineral Products

NAICS

Nonmetallic Mineral Mining and Quarrying (2123), Sand, Gravel, Clay, and Ceramic and Refractory Minerals Mining and Quarrying (21232), Ground or Treated Mineral and Earth Manufacturing (327992), Industrial Sand Mining (212322)

SIC

Mining & Quarrying Of Nonmetallic Minerals (No Fuels) (1400), Abrasive, Asbestos & Misc Nonmetallic Mineral Prods (3290)

akta.pro primary industry

Magnesite & Magnesium Minerals Mining (IMAKAGAN)

akta.pro secondary industries

Magnesite & Magnesium Minerals (IMAEAFAL), Specialty Aggregates (Rail Ballast, Riprap/Armor Stone, Gabion Stone) (IMAKAHAJ)

Keywords

• Mineral extraction services
• Construction aggregates supply
• Steel industry minerals
• Agricultural mineral fertilizers
• Industrial mineral fillers

Headquarters

HQ city

Nova Lima

HQ country

Brazil

HQ region

Latin America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Supply Chain, Infrastructure, Personnel, Technology or R&D, Marketing or Sales

Revenue model

1. Construction Aggregates: Sale of crushed stone and aggregate products including various grades of gravel (Brita 0, 1, 2, 3), sand, stone dust, and other construction materials to deposits, builders, and distributors.
2. Steel Industry Minerals: Supply of specialized mineral products for steelmaking including scorifying flux agents, anti-clustering additives, and briquetting agents to integrated steelmakers using coke.
3. Agricultural Inputs: Sale of mineral fertilizers (Dunito - magnesium silicate), soil remineralizers, foliar fertilizers, and seed coating agents to agricultural sector.
4. Industrial Mineral Charges: Supply of fine mineral materials for plastics, rubber, foams, paints, and coatings industries as functional mineral fillers.
5. High-Purity Magnesium Compounds: Production and sale of high-purity magnesium hydroxide and other magnesium compounds from pilot plant operations for industrial applications including flame retardants, cosmetics, and pharmaceuticals.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Pedras Congonhas is a mining company that extracts and processes serpentinite (rich in silicon and magnesium), quartzite, sand, phyllite, and iron ore into multiple product lines for industrial buyers. Its portfolio includes construction aggregates (crushed stone Brita 0-3, sand, stone dust, graded aggregates), steel industry additives (fluxing agents, anti-clustering agents, briquette binders), agricultural inputs (Dunito magnesium silicate fertilizer and MPC#325 seed coating), industrial mineral fillers for plastics/rubber/foams/paints, and high-purity magnesium compounds from its MgGreen pilot plant.

Product overview

Pedras Congonhas is a mining company with over 50 years of experience that extracts high-quality minerals from serpentinite (rich in silicon and magnesium), quartzite, sand, phyllite, and iron ore. The company operates through a multi-product portfolio organized by industry segment: (1) Construction Aggregates supplying crushed stone, sand, and related materials (Brita 0-3, Bica Corrida, Pó de Pedra); (2) Steel Industry Solutions including fluxing agents, anti-clustering agents, and briquette binders; (3) Agricultural Products including Dunito (simple mineral fertilizer with 24% Mg and 16% Si), MPC#325 seed coating agent, and agricultural inputs; (4) MgGreen Pilot Plant producing high-purity magnesium hydroxide and compounds; and (5) Mineral Charges for plastics, foams, rubber, and paints. The company maintains ISO 9001 certification and operates with a strong R&D focus through strategic partnerships with universities and research institutions.

Differentiator

Problem solved

Functional benefit

Products and services

• Dunito (Mineral Fertilizer) Simple mineral fertilizer providing magnesium (24%) and silicon (16%) to soil in a gradual, constant, and balanced manner. Registered with MAPA (Mg 000970-9.000002) and approved for organic agriculture under NOP-USDA, IBD/IFOAM, CEE 834/07, JAS, and Brazilian Law 10.831/2003. For agricultural producers seeking organic-compatible soil remineralizers.
• MPC#325 (Seed Coating Agent) Ultrafine mineral (325 mesh, approximately 45 micrometers) processed from magnesium silicate-rich raw materials, similar to talc-group minerals. Developed for high-performance seed coating and treatment applications with controlled granulometry and high mineralogical purity. For agricultural producers and seed treatment companies.
• Magnesium Hydroxide (MgGreen Pilot Plant) High-purity fine white powder produced at the MgGreen pilot plant from serpentinite. Suitable for industrial applications including flame retardants, cosmetics, and pharmaceuticals. For industrial manufacturers and specialty chemical buyers.
• Scorifying Flux Agent (Fundente Escorificante) Fluxing agent developed for high-temperature steelmaking processes, assisting in slag formation and control. For integrated steelmakers (siderúrgicas integradas a coque).
• Anti-Clustering Agent Technical additive used to prevent ore agglomeration in blast furnaces, ensuring better material flow and process stability in steelmaking. For integrated steelmakers.
• Briquette Production Agent Mineral binder indicated for ore and scrap briquette production, providing greater mechanical strength and efficiency in material recovery. For integrated steelmakers.
• Crushed Stone Aggregates (Brita 0, Brita 1, Brita 2, Brita 3) Crushed stone aggregates for the civil construction sector, produced with technical standards and quality requirements. For construction deposits, builders, and distributors.
• Natural Sand (Areia Natural) Natural sand aggregate for construction civil applications. For construction deposits, builders, and distributors.
• Graded Crushed Stone (Brita Graduada) Graded crushed stone aggregate for construction applications. For construction deposits, builders, and distributors.
• Hand Stone (Pedra de Mão) Large crushed stone aggregate for construction applications. For construction deposits, builders, and distributors.
• Bica Corrida (Mixed Crushed Stone) Mixed crushed stone aggregate product for construction applications. For construction deposits, builders, and distributors.
• Stone Dust (Pó de Pedra) Stone dust aggregate for construction and industrial applications. For construction deposits, builders, and distributors.
• Mataco (Large Aggregate Stone) Large aggregate stone for construction applications. For construction deposits, builders, and distributors.
• Transition Material I/II/III Transition materials for construction civil applications. For construction deposits, builders, and distributors.
• Mineral Fillers (Carga Mineral) Functional mineral charges for plastics (rigidity, dimensional stability, thermal resistance), foams (density control, cell structural stability), rubber (structural reinforcement, abrasion resistance), and paints (rheology control, coverage, durability). For plastics, rubber, foam, paint, and coating manufacturers.

Quantifiable outcome

• Zero mining waste with full chemical composition utilization
• +3 more outcomes

Named customers3 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Five partnerships are on record, tiered minor and core.

• Ministério Público Federal (Participa Minas)minorStrategic or Co-development Partner · 1 January 2025Approved under Participa Minas program of Federal Ministry for development of foliar fertilizer from MgGreen process byproducts.
• EMBRAPAcoreStrategic or Co-development Partner · 1 January 2023Strategic R&D partnership with Embrapa (Brazilian Agricultural Research Corporation) for agricultural applications of mineral products, including development of fertilizer and soil remineralizer products.
• BHTECcoreTechnology or Integration · 1 January 2016Technology and innovation partner for R&D projects and collaborative innovation network participation.
• UFMG (Universidade Federal de Minas Gerais)coreStrategic or Co-development Partner · 1 January 2006Long-standing R&D partnership with Federal University of Minas Gerais for mineral processing technology and product development.
• UFV (Universidade Federal de Viçosa)coreStrategic or Co-development Partner · 1 January 2006R&D partnership with Federal University of Viçosa for agricultural applications of mineral products and soil remineralization technology.

Scale indicators5 records

Recent moves11 records

Expansion highlights6 records

Direct peers

• Omya: Swiss global producer of industrial mineral fillers (calcium carbonate, talc, specialty minerals) serving plastics, paints, rubber, and agriculture—directly comparable to Pedras Congonhas' mineral charges and agricultural input product lines.
• Imerys: Global industrial minerals producer supplying functional fillers and mineral-based solutions to plastics, paints, rubber, and coatings—the same downstream markets Pedras Congonhas targets with its mineral charges product line.
• Mineradora Curimbaba: Brazilian mining company producing industrial minerals including pyrophyllite, talc, dolomite, and magnesium-based products for ceramics, paints, agriculture, and steel—directly comparable as a Brazilian multi-segment industrial minerals miner.
• Grecian Magnesite: Greek magnesium minerals miner producing dead-burned magnesia, caustic calcined magnesia, and magnesia-based products for steel, agriculture, and industrial applications—directly comparable to Pedras Congonhas' serpentinite-based magnesia/silica products and MgGreen direction.

Emerging players

• Yara Brasil: Brazilian arm of global fertilizer leader Yara, focused on specialty crop nutrition including magnesium and sulfur-containing products. Comparable to Pedras Congonhas' Dunito magnesium-silicate fertilizer line as a potential competitor in Brazilian agricultural inputs.

Broad incumbents

• Minerals Technologies Inc. US-listed specialty minerals company producing precipitated calcium carbonate, bentonite, and talc-based products for paper, steel, construction, and agriculture—overlapping with Pedras Congonhas' functional filler and mineral additive product lines.
• Lhoist: Belgian-headquartered lime and mineral products company with operations across Latin America, producing mineral-based industrial inputs for steel, construction, agriculture, and environmental applications—closely paralleling Pedras Congonhas' multi-segment strategy.
• RHI Magnesita: Global leader in refractories and magnesia-based products, with operations in Brazil. Directly comparable to Pedras Congonhas' magnesium-focused strategy (MgGreen pilot plant, magnesia/silica minerals) but at vastly greater scale and with vertically integrated refractory manufacturing.

Regional players

• Companhia Brasileira de Metalurgia e Mineração (CBMM): Brazilian niobium miner with diversified industrial mineral operations and R&D capabilities, headquartered in Minas Gerais. Comparable as a Brazilian mining company with multi-decade operations, strong university partnerships, and value-added mineral processing.
• Votorantim Cimentos: Brazil's largest cement and aggregates producer, with extensive crushed stone and sand operations in Minas Gerais and other states—directly comparable to Pedras Congonhas' construction aggregates segment (Brita, sand, stone dust).

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/pedras-congonhas

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Pedras Congonhas