Description

Cummingtonite CAS NO 17499-08-0 is a naturally occurring amphibole silicate mineral belonging to the magnesium-iron silicate series. This material is of significant industrial interest due to its unique fibrous structure and chemical stability under specific conditions. It is primarily utilized in specialized material science research, geological studies, and as a potential component in advanced ceramic and refractory formulations.

Application

• Geological & Petrological Research: Used as a standard or reference mineral in academic and industrial laboratories for studying metamorphic rock formations and mineral phase equilibria.
• Material Science Development: Investigated as a potential raw material or reinforcing agent in the development of specialized ceramics, composites, and high-temperature materials.
• Industrial Mineralogy: Serves as a subject for analysis in mineral processing and characterization studies related to amphibole group minerals.
• Refractory Formulations: Evaluated for use in formulating heat-resistant linings and components due to its inherent thermal stability.
• Asbestos-Analogue Studies: Used in controlled research environments to study the properties and safe handling of fibrous silicate minerals.

Basic Information

Product Name	Cummingtonite
CAS No.	17499-08-0
Molecular Formula	☐(Mg,Fe)7Si8O22(OH)2
Molecular Weight	~780-820 g/mol (variable based on Fe/Mg ratio)
Synonyms	Magnesio-cummingtonite; Ferro-cummingtonite; (Mg,Fe)7Si8O22(OH)2; Amphibole, cummingtonite series; Monoclinic amphibole; Magnesium iron silicate hydroxide
EINECS	Contact for details

Quality Control

Our Cummingtonite is sourced and processed to meet exacting standards for research and industrial applications. Each batch is characterized to confirm mineralogical identity and composition. Certificates of Analysis (COA) detailing parameters such as mineral phase purity, elemental composition, and particle size distribution are available upon request to ensure traceability and suitability for your specific project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep the container sealed to minimize exposure to atmospheric moisture and dust.

Specification

Item	Specification
Appearance	Fine fibrous powder or crystalline fragments
Color	Light brown, gray, or greenish-gray
Mineralogical Purity (by XRD)	≥ 95% Cummingtonite phase
Primary Elemental Composition (MgO, FeO, SiO₂)	Consistent with theoretical range
Particle Size (D50)	Customizable (e.g., < 45 µm, < 10 µm)
Loss on Ignition (LOI)	< 3.0 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.