Description

Bertrandite (Be4(Oh)2O(Sio3)2) is a beryllium aluminum silicate mineral and the primary industrial source of beryllium metal. This strategic material is critical due to its unique combination of low density, high stiffness, and excellent thermal conductivity. It is essential for manufacturers in the aerospace, defense, telecommunications, and nuclear industries seeking high-performance, lightweight alloys and specialty ceramics. CAS NO 12161-82-9.

Application

• Beryllium Metal Production: The principal ore for the extraction and refining of high-purity beryllium metal.
• Aerospace & Defense Components: Used in alloys for structural components in aircraft, satellites, and missile systems where weight reduction is critical.
• Nuclear Reactors: Serves as a neutron moderator and reflector material in research and power reactors.
• Telecommunications & Electronics: Found in beryllium oxide ceramics for high-performance thermal management substrates and electronic heat sinks.
• Precision Instrumentation: Used in gyroscopes, inertial guidance systems, and optical components requiring dimensional stability.
• X-ray Window Manufacturing: Utilized for its low absorption of X-rays in medical and analytical equipment.
• Specialty Alloy Additive: Imparts superior mechanical properties when alloyed with copper, nickel, or aluminum.

Basic Information

Product Name	Bertrandite
CAS No.	12161-82-9
Molecular Formula	Be4Si2O7(OH)2
Molecular Weight	537.22 g/mol
Synonyms	Beryllium Aluminum Silicate Hydroxide; Beryllium Silicate Hydroxide; Beryllium Ore; (Beryllium,Aluminum) Silicate Hydroxide; Beryllium Aluminum Silicate; Beryllium Hydroxide Silicate; Beryllium Mineral Ore
EINECS	235-317-9

Quality Control

Our Bertrandite is sourced and processed under a stringent quality management system to ensure batch-to-batch consistency and reliable beryllium content. Quality is verified through advanced analytical techniques including X-ray fluorescence (XRF) and inductively coupled plasma (ICP) analysis. A comprehensive Certificate of Analysis (COA) detailing beryllium oxide (BeO) percentage, major impurities, and particle size distribution is provided with every shipment to support your material qualification and production processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong acids. Follow all local regulations for the storage of mineral concentrates.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder or granules
Beryllium Oxide (BeO) Content	≥ 10.0 %
Aluminum Oxide (Al2O3)	≤ 35.0 %
Silicon Dioxide (SiO2)	≤ 55.0 %
Iron (Fe)	≤ 1.0 %
Moisture Content	≤ 2.0 %
Particle Size (Typical, -200 mesh)	≥ 90 %

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