Description

Pyrope is a magnesium-aluminum silicate mineral belonging to the garnet group, prized for its distinctive deep red to purplish-red coloration. This inorganic compound is valued for its high hardness, chemical inertness, and thermal stability, making it a critical material in demanding industrial applications. It is essential for manufacturers in the abrasives, waterjet cutting, filtration, and precision optics industries seeking consistent, high-performance mineral granules.

Application

• Abrasive Blasting & Waterjet Cutting: Used as a high-hardness garnet abrasive for surface preparation, cutting, and etching of metals, stone, and composites.
• Filtration Media: Employed in multi-media water filtration systems due to its high density and chemical resistance for removing suspended solids.
• Precision Lapping & Polishing: Serves as a fine abrasive powder for lapping optical lenses, semiconductor wafers, and other high-tolerance surfaces.
• Anti-Skid & Traction Aggregate: Applied to surfaces like industrial flooring, paints, and roofing materials to provide enhanced slip resistance.
• Refractory & Foundry Sands: Utilized in mold and core making for metal casting, benefiting from its thermal stability.
• Decorative & Jewelry Use: Processed into gemstones for jewelry, though industrial grades focus on granular or powdered forms.

Basic Information

Product Name	Pyrope
CAS No.	1302-68-7
Molecular Formula	Mg3Al2(SiO4)3
Molecular Weight	403.13 g/mol (theoretical)
Synonyms	Pyrope Garnet; Magnesium Aluminum Silicate (Garnet); Almandine-Pyrope Series; Bohemian Garnet; Cape Ruby; Rhodolite (intermediate garnet); Garnet Abrasive; Garnet Sand; EINECS 215-104-2

Quality Control

Our Pyrope garnet is processed and graded to meet stringent industrial specifications for particle size distribution, hardness, and chemical composition. Quality is assured through batch testing including sieve analysis, density measurement, and mineralogical identification. Certificates of Analysis (COA) detailing lot-specific parameters are available upon request to ensure traceability and compliance with your application 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 containers sealed to prevent moisture absorption and contamination from other particulates. Separate from strong acids and alkalis.

Specification

Item	Specification
Appearance	Granules or Powder, Red to Dark Red
Identification (XRD)	Complies (Pyrope Garnet)
Particle Size (Mesh)	20/40, 30/60, 80, 120, or Custom
Mohs Hardness	7.0 - 7.5
Specific Gravity	3.5 - 3.8 g/cm³
Moisture Content	< 0.5 %
Acid Solubility	< 5.0 %
Heavy Metals (as Pb)	< 20 ppm

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