Description

Glauconite CAS NO 1317-57-3 is a naturally occurring, hydrated potassium iron aluminosilicate mineral belonging to the mica group. This green-colored clay mineral is valued for its unique ion-exchange properties, natural abundance, and environmental compatibility. It serves as a critical raw material for industrial applications in agriculture, water treatment, and as a functional additive in construction and foundry sands.

Application

• Soil Conditioner & Slow-Release Fertilizer Carrier: Utilized in agriculture and horticulture to improve soil structure, provide a source of potassium, and act as a substrate for nutrient delivery.
• Water Filtration & Purification Media: Employed in filtration systems for the removal of heavy metals (e.g., ammonium, lead) and other contaminants due to its cation exchange capacity.
• Foundry Sand Additive: Acts as a bonding agent in green sand molds for metal casting, providing cohesion and thermal stability.
• Pigment & Colorant: Used to produce green pigments (green earth) for paints, coatings, and artistic applications.
• Drilling Mud Additive: Functions as a viscosifier and filtration control agent in water-based drilling fluids for the oil and gas industry.
• Animal Feed Supplement: Serves as a source of dietary minerals and as a pellet binder in feed formulations.
• Construction Material: Incorporated into cements, mortars, and lightweight aggregates to modify properties.
• Environmental Remediation: Applied in permeable reactive barriers for groundwater treatment to adsorb pollutants.

Basic Information

Product Name	Glauconite
CAS No.	1317-57-3
Molecular Formula	(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
Molecular Weight	Variable (Complex silicate mineral)
Synonyms	Greensand; Green Earth; Green Iron Potassium Silicate; Glauconitic Sand; Glauconitic Clay; Glauconitic Mica; Celadonite (related mineral); EC Number 215-258-2
EINECS	215-258-2

Quality Control

Our Glauconite is sourced and processed under strict quality protocols to ensure batch-to-batch consistency for industrial applications. Quality is verified through parameters such as particle size distribution, cation exchange capacity (CEC), potassium oxide (K2O) content, and color index. A Certificate of Analysis (COA) detailing specific grade specifications is available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at ambient temperature (15-25°C). Keep away from strong acids. As a fine mineral powder, protect from moisture to prevent caking.

Specification

Item	Specification
Appearance	Green to dark green fine powder or granules
Particle Size (Typical)	Contact for details
Potassium Oxide (K2O) Content	≥ 4.0 %
Cation Exchange Capacity (CEC)	10 - 30 meq/100g
Moisture Content	≤ 8.0 %
Bulk Density	Contact for details
pH (in water)	7.0 - 9.0

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