Product Overview: Fluorspar, also known as fluorite, is a key industrial mineral composed of calcium fluoride (CaF2). This versatile mineral is used across a wide range of industries, from chemical and metallurgical to ceramics and optics. Known for its striking clarity and vibrant colors, high-quality fluorite is also valued in the lapidary and gem industries.

MKS Minerals offers fluorspar with a purity range of 65% to 85% CaF2, sourced from our own mines under the meticulous supervision of certified geologists. We provide consistent, high-purity fluorite to clients worldwide, especially in the steel, foundries, cement, and glass industries.

Primary Applications: Fluorspar is sold in different grades depending on the industry application. These include Acid Grade, Ceramic Grade, Metallurgical Grade, and Optical Grade fluorspar.

Fluorspar Grades and Uses:

Acid Grade Fluorspar
Purity: 97%+ CaF2
Primary Use: Chemical industry
Acid grade fluorspar is used to produce hydrofluoric acid (HF), a critical component in the manufacture of fluorocarbon chemicals, refrigerants, foam-blowing agents, and other fluoride-based products. This high-purity material is in high demand, especially in industrial applications like refrigeration and chemical production.

Ceramic Grade Fluorspar
Purity: 85% – 96% CaF2
Primary Use: Glass, ceramics, and enamelware
Ceramic grade fluorspar is commonly used in the production of specialty glass, ceramics, and glazes. It imparts durability, enhances glossy surfaces, and is essential in creating the non-stick coating found in products like Teflon.

Optical Grade Fluorspar
Primary Use: High-performance optical equipment
Fluorspar with exceptional optical clarity is used in lenses for microscopes, telescopes, cameras, and other optical instruments. Its low refractive index and low dispersion contribute to sharp, high-quality images. Today, synthetic fluorite is often produced from high-purity fluorite for advanced optical uses.

Metallurgical Grade Fluorspar
Purity: 60% – 85% CaF2
Primary Use: Steel and metal production
Fluorspar is a key flux in metallurgy, used in iron, steel, and other metal manufacturing. It aids in the removal of impurities such as sulfur and phosphorus, and improves slag fluidity. 20-60 lbs of fluorspar are used per ton of metal, depending on the grade.

Lapidary Grade Fluorspar
Primary Use: Gemstones and ornamental objects
Fluorspar’s captivating colors and clarity make it a favorite in the lapidary industry. High-quality specimens are cut into gemstones and sculpted into ornamental objects like figurines and vases. Due to its softness and tendency to cleave, it is often used in pieces that will not be subjected to heavy impact or abrasion.