Description

Grossularite is a calcium-aluminum silicate mineral belonging to the garnet group, known for its distinctive green to brownish-red hues and cubic crystal structure. This industrial mineral is valued for its hardness, chemical inertness, and thermal stability, making it a critical raw material in several high-performance applications. Key industries that utilize Grossularite include abrasives manufacturing, waterjet cutting, filtration media, and as a specialized gemstone material.

Application

• Abrasive Media: Used in the manufacture of coated abrasives (sandpaper), abrasive blasting media, and grinding wheels due to its high hardness and sharp fracture.
• Waterjet Cutting: Serves as a premium garnet abrasive for high-pressure waterjet cutting systems, enabling precise cutting of metals, stone, glass, and composites.
• Filtration: Employed as a high-density bed media in multi-media water filtration systems for removing suspended solids and particulates.
• Surface Preparation: Ideal for blast cleaning and surface profiling of steel, concrete, and other substrates prior to coating or bonding.
• Lapping and Polishing: Used in precision lapping compounds for finishing optical lenses, semiconductor wafers, and other components requiring a fine finish.
• Industrial Fillers: Acts as an inert, high-density filler in plastics, resins, and specialized coatings to modify weight and wear properties.
• Gemstone and Decorative Use: Certain high-quality, transparent varieties are faceted as collectible gemstones or used in ornamental carvings.

Basic Information

Product Name	Grossularite
CAS No.	1302-57-4
Molecular Formula	Ca3Al2(SiO4)3
Molecular Weight	450.45 g/mol
Synonyms	Grossular; Calcium Aluminum Silicate; Garnet (Grossularite); Eau de Mer Garnet; Hessonite; Tsavorite; Cinnamon Stone; Almandine (related mineral series)
EINECS	215-147-1

Quality Control

Our Grossularite is processed and graded to meet stringent industrial specifications. Quality is assured through a series of tests including particle size distribution (PSD) analysis, hardness testing, chemical composition verification via X-ray fluorescence (XRF), and assessment of specific gravity. We provide Certificates of Analysis (COA) with each batch, detailing key parameters to ensure consistency and performance for your specific application.

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 containers sealed when not in use to prevent moisture absorption and contamination from other particulates. Separate from strong acids and alkalis.

Specification

Item	Specification
Appearance	Granular particles, color varies (green, brown, red)
Chemical Composition (Typical)	Ca3Al2(SiO4)3 ≥ 95%
Mohs Hardness	6.5 - 7.5
Specific Gravity	3.4 - 3.6 g/cm³
Melting Point	> 1200 °C
Particle Size (Mesh)	Available from 16 mesh to 200 mesh and finer grades
Moisture Content	< 0.5%
Acid Solubility	< 2%

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