Calcite Powder - Premium Manufacturer in India | 98.5%+ Purity | Shikhar Microns

Shikhar Microns stands among the top Calcite Powder manufacturers in India. Our products meet international quality benchmarks and earn global trust. Our team collaborates with you to deliver the perfect solution for your requirements. Backed by over 27 years of expertise and a commitment to innovation, we ensure that our calcite powder delivers consistent results for every application. For a detailed comparison with dolomite, see Calcite vs Dolomite Powder and Calcite vs Dolomite vs Limestone.

What is Calcite? What is Calcite Powder?

What is calcite? Calcite is a natural mineral—the most common crystalline form of calcium carbonate (chemical formula CaCO₃). The calcite chemical formula is the same as calcium carbonate: CaCO₃. Calcite meaning in industry refers to high-purity calcium carbonate derived from limestone or marble. Calcite powder is produced by crushing and grinding high-grade calcite rocks to a fine white powder. It is widely recognized for its exceptional brightness, smooth texture, and superior chemical properties. Industries worldwide use calcite powder as a filler and coating agent in paints, plastics, rubber, paper, and construction.

Chemical Composition and Physical Characteristics

Shikhar Microns ensures both the quality and purity standards of our calcite powder production. Our product offers:

Chemical Composition:

• Calcium Carbonate (CaCO₃): 98.5–99.5%
• Magnesium Carbonate (MgCO₃): 0.2–0.8%
• Silica (SiO₂): <0.5%
• Iron Oxide (Fe₂O₃): <0.1%
• Aluminum Oxide (Al₂O₃): <0.2%

Physical Features:

• Brightness: 95-98% (ISO 2470)
• Whiteness: 95-98% (Hunter L scale)
• Oil Absorption: 15-25 g/100g
• Moisture Content: ≤0.2%
• pH Value: 8.0-9.0
• Specific Gravity: 2.7-2.8
• Bulk Density: 0.8-1.2 g/cm³

Calcite Chemical Formula: CaCO₃

The calcite chemical formula is CaCO₃ — calcium carbonate in its most stable crystalline form. The calcite formula represents one calcium (Ca), one carbon (C), and three oxygen (O₃) atoms arranged in a trigonal (rhombohedral) crystal system. Key properties of the calcite mineral:

• Chemical formula: CaCO₃ (calcium carbonate)
• Molecular weight: 100.09 g/mol
• Crystal system: Trigonal — rhombohedral cleavage in three directions
• Mohs hardness: 3
• Specific gravity: 2.71
• Refractive index: 1.486–1.658 (strong birefringence — a key diagnostic property)
• Acid test: Effervesces vigorously with dilute HCl (distinguishes calcite from dolomite)

Calcite is the most common form of natural calcium carbonate and the primary mineral in limestone and marble. As an industrial mineral, calcite powder (ground CaCO₃) is valued for its high brightness (95–98%), low oil absorption, and compatibility with polymers, binders, and coatings. See Ground Calcium Carbonate (GCC) for the coarser-grade variant.

Calcite Mineral: Properties, Occurrence and Industrial Importance

Calcite is one of the most abundant minerals on Earth — found in sedimentary (limestone, chalk), metamorphic (marble), and igneous rocks. What is calcite? It is the mineral form of calcium carbonate (CaCO₃), distinguished from other CaCO₃ polymorphs (aragonite, vaterite) by its trigonal crystal structure and perfect rhombohedral cleavage.

India, particularly Rajasthan, hosts extensive calcite and limestone deposits. Alwar, Makrana, and other districts in Rajasthan produce some of the highest-purity calcite in the country, with CaCO₃ content exceeding 98.5%. Shikhar Microns operates in this mineral-rich belt, sourcing and processing premium calcite for industrial applications worldwide.

Calcite is the defining mineral of the carbonate mineral group and is economically the most important calcium carbonate polymorph. Its combination of high brightness, low hardness (easy grinding), chemical stability, and availability makes it the ideal base material for calcite powder used in paints, plastics, paper, rubber, and construction.

Key Features of Our Calcite Powder

Our Calcite Powder meets all industry demands and requirements because of its specific technical aspects:

• Exceptional Purity: 98.5%+ calcium carbonate content ensures superior performance
• High Brightness: 95-98% brightness provides excellent opacity and coverage
• Low Oil Absorption: 15-25 g/100g reduces binder requirements and costs
• Excellent Dispersibility: Uniform particle distribution for consistent results
• Chemical Stability: Resistant to acids, alkalis, and temperature variations
• Free-Flowing Nature: Easy handling and processing in manufacturing
• Controlled Particle Size: Available in 200-1500 mesh for various applications

Uses of Calcite and Calcite Powder in Industry

The uses of calcite (and calcite powder uses) span paints, plastics, paper, rubber, ceramics, and construction. Our calcite powder serves as a versatile filler and functional additive across these industries:

Paint and Coating Industry

In paints and coatings, calcite powder acts as an extender pigment that improves opacity, reduces costs, and enhances durability. It provides excellent coverage, weather resistance, and helps control viscosity for better application properties. Learn more: Calcite Powder for Paint.

Plastic and Polymer Industry

As a functional filler in plastics, calcite powder improves mechanical properties, reduces material costs, and enhances dimensional stability. It's widely used in PVC pipes, profiles, films, and injection-molded products. Learn more: Calcite Powder in Plastic Industries.

Paper Manufacturing

In paper production, calcite powder serves as a filler and coating pigment, improving brightness, opacity, and printability while reducing production costs and environmental impact. Learn more: Calcite Powder in Paper Industries.

Rubber Industry

Rubber manufacturers use calcite powder to improve processing characteristics, enhance mechanical properties, and reduce costs in tire manufacturing, footwear, and industrial rubber products. Learn more: Calcite Powder in Rubber Industries.

Ceramics and Glass

In ceramics and glass manufacturing, calcite powder acts as a fluxing agent, improving melting characteristics and final product quality while maintaining cost efficiency.

How We Make the Best Calcite Powder in India

At Shikhar Microns, our manufacturing process ensures the highest quality calcite powder that meets international standards:

1. Raw Material Selection

We source premium-grade calcite rocks from certified mines, ensuring high calcium carbonate content and minimal impurities. Our strict quality control begins at the source.

2. Crushing and Grinding

Our state-of-the-art crushing and grinding equipment processes the raw material through multiple stages, achieving precise particle size distribution and optimal surface characteristics.

3. Classification and Screening

Advanced air classification and screening systems ensure consistent particle size distribution, meeting specific mesh requirements for different applications.

4. Quality Control and Testing

Every batch undergoes rigorous testing for purity, brightness, particle size, moisture content, and other critical parameters to ensure consistent quality.

5. Packaging and Storage

Our calcite powder is carefully packaged in moisture-resistant materials and stored in controlled conditions to maintain quality until delivery.

Why Choose Shikhar Microns for Calcite Powder?

With over 27 years of experience in mineral processing, Shikhar Microns has established itself as a trusted calcite powder manufacturer in India. Here's why industry leaders choose us:

1. Unmatched Quality and Consistency

Our advanced manufacturing processes and strict quality control ensure that every batch of calcite powder meets the highest purity and performance standards.

2. Customized Solutions

We understand that different applications require specific properties. Our team works closely with clients to provide customized calcite powder solutions that meet exact requirements.

3. Competitive Pricing

Our efficient manufacturing processes and direct sourcing enable us to offer competitive prices without compromising on quality.

4. Reliable Supply Chain

With our own manufacturing facilities and strategic partnerships, we ensure consistent supply and timely delivery to meet your production schedules.

5. Technical Support

Our experienced technical team provides comprehensive support, from product selection to application guidance, ensuring optimal results for your specific needs.

6. Environmental Responsibility

We are committed to sustainable manufacturing practices, minimizing environmental impact while maintaining the highest quality standards.

Properties

• High purity and brightness
• Low oil absorption
• Excellent dispersibility
• Stable chemical properties
• Fine particle size

Technical Specifications

Calcite Powder Price, Supplier & Quote in India

As a leading calcite powder manufacturer and supplier in India, we offer competitive calcite powder price for 200–1500 mesh, 98.5%+ purity. Request a custom quote for bulk orders; we supply across India from Alwar and Makrana, Rajasthan.

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Frequently Asked Questions

Related Calcite Resources