Dolomite Powder - Premium Manufacturer in India | 97.5%+ Purity | Shikhar Microns

Shikhar Microns stands among the top Dolomite 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 dolomite powder delivers consistent results for every application. For a detailed comparison with calcite, see Calcite vs Dolomite Powder and Calcite vs Dolomite vs Limestone.

What is Dolomite? What is Dolomite Powder?

What is dolomite? Dolomite is a mineral and rock composed of calcium magnesium carbonate. The dolomite formula (dolomite chemical formula) is CaMg(CO₃)₂. Dolomite powder meaning (dolomite meaning in industry): the fine white powder made by grinding dolomite rock, used as a source of magnesium and calcium and as a functional filler. As a dolomite mineral, it has a rhombohedral crystal structure and often forms when magnesium replaces calcium in limestone. Dolomite powder is produced by crushing and grinding dolomite rock to a fine white powder. It is widely recognized for its strength-enhancing properties, cost-effectiveness, and chemical stability. Industries worldwide use dolomite powder as a functional filler in paints, plastics, construction, glass, and rubber.

Chemical Composition and Physical Characteristics

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

Chemical Composition:

• Calcium Carbonate (CaCO₃): 50-55%
• Magnesium Carbonate (MgCO₃): 40-45%
• Silica (SiO₂): <1.0%
• Iron Oxide (Fe₂O₃): <0.2%
• Aluminum Oxide (Al₂O₃): <0.5%

Physical Features:

• Brightness: 90-95% (ISO 2470)
• Whiteness: 90-95% (Hunter L scale)
• Oil Absorption: 20-30 g/100g
• Moisture Content: ≤0.3%
• pH Value: 8.5-9.5
• Specific Gravity: 2.8-2.9
• Bulk Density: 0.9-1.3 g/cm³

Dolomite Mineral: Formation, Structure and Properties

The dolomite mineral belongs to the carbonate mineral group and is defined by the dolomite formula CaMg(CO₃)₂. Dolomite forms through a process called dolomitization, where magnesium ions in groundwater partially replace calcium in existing limestone. This geological process produces a mineral that is harder, denser, and more chemically resistant than pure calcium carbonate.

• Crystal system: Trigonal (rhombohedral) — similar to calcite but with alternating Ca and Mg layers
• Mohs hardness: 3.5–4 (harder than calcite at 3)
• Specific gravity: 2.85 (slightly heavier than calcite at 2.71)
• Lustre: Vitreous to pearly; white, grey, or pinkish in hand specimen
• Cleavage: Perfect rhombohedral (3 directions)
• Acid test: Reacts slowly with cold dilute HCl (unlike calcite, which effervesces vigorously)

Dolomite deposits are found worldwide. India, especially Rajasthan, hosts significant dolomite reserves. Shikhar Microns sources high-purity dolomite from these deposits to manufacture dolomite powder with 97.5%+ combined CaCO₃ + MgCO₃ content.

Dolomite vs Limestone: Key Differences

Understanding dolomite vs limestone helps manufacturers select the right mineral filler. Both are carbonate rocks, but they differ in composition, hardness, and industrial applications.

In short, dolomite is preferred where magnesium content, mechanical strength, or fire resistance is needed. Limestone (and its processed forms — calcite powder, GCC) is chosen for high brightness and fine-particle filler applications. Shikhar Microns supplies both — read our full comparison of calcite vs dolomite vs limestone.

Key Features of Our Dolomite Powder

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

• Exceptional Strength Enhancement: Improves mechanical properties and durability
• Cost-Effective Solution: Provides excellent value for money compared to other fillers
• High Chemical Stability: Resistant to acids, alkalis, and temperature variations
• Excellent Dispersibility: Uniform particle distribution for consistent results
• Fire Resistance: Natural fire-retardant properties for safety applications
• Free-Flowing Nature: Easy handling and processing in manufacturing
• Controlled Particle Size: Available in 100-1000 mesh for various applications

Uses of Dolomite and Dolomite Powder in Industry

The uses of dolomite (and dolomite powder uses) include paints, plastics, construction, glass, rubber, ceramics, and agriculture. Our dolomite powder serves as a versatile filler and functional additive across these industries:

Paint and Coating Industry

In paints and coatings, dolomite 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. See: Dolomite Powder for Paint.

Plastic and Polymer Industry

As a functional filler in plastics, dolomite powder improves mechanical properties, reduces material costs, and enhances dimensional stability. It's widely used in PVC pipes, profiles, films, and injection-molded products.

Rubber Industry

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

Ceramics and Glass

In ceramics and glass manufacturing, dolomite powder acts as a fluxing agent, improving melting characteristics and final product quality while maintaining cost efficiency. Learn more: Dolomite Powder for Glass Industry.

Construction Materials

Construction industry uses dolomite powder in cement, concrete, and building materials to improve strength, durability, and workability while reducing costs. Learn more: Dolomite Powder in Building Materials.

How We Make the Best Dolomite Powder in India

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

1. Raw Material Selection

We source premium-grade dolomite rocks from certified mines, ensuring high calcium and magnesium carbonate content with 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 dolomite powder is carefully packaged in moisture-resistant materials and stored in controlled conditions to maintain quality until delivery.

Why Choose Shikhar Microns for Dolomite Powder?

With over 27 years of experience in mineral processing, Shikhar Microns has established itself as a trusted dolomite 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 dolomite 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 dolomite 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.

Industry Solutions

• Paints & Coatings: 300–600 mesh for balanced opacity, flow and scrub resistance. See: Dolomite Powder for Paint.
• Plastics: 400–600 mesh improves stiffness and dimensional stability while optimizing cost.
• Rubber: 200–400 mesh enhances tensile strength and abrasion resistance.
• Ceramics & Glass: Provides magnesium and calcium source for improved firing and durability.

Properties

• High purity and whiteness
• Good dispersibility
• Improves mechanical properties
• Low moisture content
• Stable chemical composition

Technical Specifications

Dolomite Powder Manufacturer and Supplier in India

Shikhar Microns is a leading dolomite powder manufacturer in India, operating from Rajasthan — one of India's richest dolomite-producing regions. As a trusted dolomite powder supplier, we provide consistent quality, competitive pricing, and dedicated technical support for industries across India.

• Manufacturing base: Rajasthan, India — direct access to premium dolomite reserves
• Product range: 100–1000 mesh, 97.5%+ combined CaCO₃ + MgCO₃
• Industries served: Paints, plastics, rubber, glass, ceramics, construction, agriculture
• Bulk supply: Bulk dolomite powder orders with pan-India delivery and export
• Quality assurance: Batch-wise testing for purity, whiteness, particle size, and moisture

Looking for the best dolomite powder supplier in India? Contact us for samples, COA, and custom formulations. Also see our dolomite powder manufacturer guide.

Dolomite Powder Price in India

Dolomite powder price varies by mesh size, purity, whiteness, and order quantity. Coarser grades (100–300 mesh) used in construction and glass are typically more economical, while finer grades (400–1000 mesh) for paints and plastics carry a premium due to additional processing.

• Coarse dolomite (100–300 mesh): Construction, glass, ceramics — most cost-effective
• Medium dolomite (400–600 mesh): Paints, rubber, general plastics — balanced price/performance
• Fine dolomite (800–1000 mesh): High-end paints, specialty plastics — premium grade

For current dolomite powder price in India, request a custom quote — we offer bulk discounts and transparent pricing.

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Frequently Asked Questions

Related Dolomite Resources