Quarry to Container: How Nirvan Exports Processes Stone in Rajasthan

  • Buyers often ask us to describe our process, usually because a previous supplier’s stone didn’t match what was promised. We’ve been quarrying and exporting natural stone from Rajasthan since 2006, and the process hasn’t changed much in that time because it doesn’t need to — block selection, cutting, finishing and packaging each have a right way to do them. Here’s what actually happens between a block leaving the ground and a container leaving Nhava Sheva or Kandla Port.

    Where Our Stone Comes From — Quarry Regions in Rajasthan

    Rajasthan is home to some of India’s most significant marble and granite quarry belts, including the Makrana and Morwad regions for marble and Jalore for granite, alongside sandstone deposits around Kota and Dholpur. Sourcing directly from these regions, rather than through intermediary traders, means we control block selection at the point of extraction rather than buying whatever lot a trader has on hand.

    From Block to Slab: How Marble and Granite Are Processed

    Once a block is selected for colour and structural integrity, it’s cut into slabs using gangsaw or block-cutter machinery depending on the required slab size — 240x120cm for gangsaw cuts, 180x60cm for cutter sizes. This stage determines the final veining pattern buyers will see, which is why block selection matters more than almost any other step in the process for marble and quartzite varieties with strong natural patterning.

    Quality Checks Before a Block Leaves the Quarry

    Blocks are inspected for fractures, colour consistency and vein structure before cutting begins, since flaws found after cutting mean wasted slabs. We reject blocks with structural fractures at this stage rather than passing the cost on to a buyer later. This upfront inspection is the main reason quarry-direct exporters can offer more consistent lots than traders reselling stone sourced from multiple unverified quarries.

    Cutting, Polishing and Finishing to Export Specification

    After cutting, slabs are finished to the specification ordered — polished, honed, flamed, leather or brushed — and cut down into tiles if required, in standard sizes from 60x60cm down to 30x30cm. Thickness is set at this stage too, typically 16-30mm depending on application. Every finished slab is checked again for surface defects before it moves to packing.

    Packing and Loading the Container for Export

    Finished stone is packed into foam-lined, ISPM15-compliant wooden crates and loaded by weight distribution into the container, ready for transport to Nhava Sheva or Kandla Port. Processing from order confirmation to container loading typically takes 15-25 working days, depending on order size and whether the variety is in current stock or needs fresh quarrying.

    Get a Quote

    Want to see this process for your specific order? Request a free quote and we’ll send photos at each stage from block selection through to loading.


FAQ's

frequently asked questions

Q What natural stones does Nirvan Exports supply?
A Nirvan Exports supplies five categories of natural stone: marble, granite, sandstone, slate, and limestone. Our marble range includes over 20 varieties such as Makrana White, Rainforest Green, Katni Beige, Fantasy Brown, and Spider Green. Our granite range includes Black Galaxy, Absolute Black, Colonial White, and 15+ additional varieties. We also supply Rajasthan sandstone in Buff, Pink, Teak, and Kandla Grey; natural slate tiles and slate veneer sheets; and limestone including Kota Stone, Fossil, Yellow, and Beige varieties.
A Our minimum order quantity (MOQ) for export is typically 20 metric tonnes per stone type, which equates to approximately one 20-foot container. However, we can accommodate smaller trial orders for new buyers — please contact us to discuss your specific requirements. For large projects requiring multiple containers or regular supply contracts, we offer priority processing and volume pricing.
A Nirvan Exports exports natural stone to over 40 countries worldwide. Our primary markets include the United States, United Kingdom, Germany, Australia, Russia, UAE, Saudi Arabia, France, Italy, Canada, New Zealand, and countries across Southeast Asia, the Middle East, and Africa. We are experienced in the import regulations, documentation requirements, and logistics of all our major export markets.
A Lead time from order confirmation to shipment is typically 15 to 25 working days, depending on the stone type, finish, and order volume. Once shipped from Nhava Sheva port (Mumbai), standard transit times are 18 to 25 days to European ports, 21 to 30 days to USA and Canada, and 12 to 18 days to the UAE and Middle East. We provide tracking information for all shipments.
A Yes. All Nirvan Exports orders can be customised to your project specifications. We supply stone in standard slab sizes (typically 240 x 120 cm), standard tile formats (60 x 60 cm, 60 x 30 cm, 30 x 30 cm), or fully bespoke dimensions cut to your requirements. Available finishes include polished, honed, brushed, sandblasted, flamed, leather, and natural split. Please provide your specifications when requesting a quote.
A Yes. We strongly encourage new buyers to request samples before placing a bulk order. Sample pieces (typically 10 x 10 cm or 20 x 20 cm) are available for most stone varieties in our range. Sample charges and shipping costs apply, which are refundable against your first order. To request samples, contact us with the stone variety, finish, and your delivery address.
A All Nirvan Exports shipments use export-grade wooden crates with foam padding, waterproof wrapping, and heavy-duty strapping. Marble slabs are packed back-to-back with foam separators to prevent surface damage in transit. Slate veneer sheets and fragile stone products receive individual protective wrapping. Our packaging complies with international maritime freight standards and is designed to withstand multi-port transshipment.
A Nirvan Exports is a natural stone supplier and exporter — not a stone manufacturer. Natural stone is quarried from the earth, not manufactured. We own and operate quarry partnerships in Udaipur, Rajasthan and work with established quarry owners across India’s major stone regions. We handle the full supply chain from quarry sourcing through to stone processing, quality control, packaging, and international export.
A Nirvan Exports provides a full set of export documentation with every shipment, including: commercial invoice, packing list, bill of lading, certificate of origin, phytosanitary certificate (where required), and quality inspection report. We are experienced with documentation requirements for all our major export markets including the USA, UK, EU countries, Australia, and the Middle East.
A To receive a quotation, contact Nirvan Exports with the following details: stone type and variety, quantity required (in metric tonnes or square metres), finish required, slab or tile format and size, and your delivery port or country. We respond to all enquiries within 48 hours with a detailed price quotation and, where relevant, availability of samples.
Why does Nirvan Exports source directly from the quarry?

Quarry-direct sourcing means we control block selection at the point of extraction, which leads to more consistent colour, veining and quality than buying pre-cut stock from intermediary traders.

Processing typically takes 15-25 working days from order confirmation, depending on order size and current stock availability.

Blocks are inspected for structural fractures, colour consistency and vein structure before cutting, and any flawed blocks are rejected at this stage.

Yes, we can send progress photos from block selection through cutting, finishing and container loading on request.

Our stone comes from established quarry regions across Rajasthan, including Makrana and Morwad for marble, Jalore for granite, and Kota and Dholpur for sandstone and limestone.