Borikhamxay Province, Lao PDR

High Purity Quartz

Name: Post-Grinding Quartz — Yongsen ICP-MS verified
Brand: Lorh La Seng

Run-of-mine quartz at SiO₂ 99.2–99.5% from our 4-hectare concession in Bolikhamsay, Lao PDR. After basic grinding, Yongsen Silicon ICP-MS measures total trace impurities at ~10 ppm.

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SiO₂ — ROM

99.2–99.5%

Mining Concession

4 ha

Annual Export Quota

120K MT/yr

Σ Trace — Post-Grinding

~10 ppm

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Lab-verified quartz

Selectively-mined ROM at SiO₂ 99.2–99.5% verified by QUATEST 2 (Đà Nẵng, Vietnam). After basic grinding, Yongsen Silicon ICP-MS (Agilent 7850, sample 503-1-4, 5 March 2025) measures Fe 0.24 ppm, Al 3.88 ppm, Ti 0.29 ppm — total trace ~10 ppm.

About Lorh La Seng

Lorh La Seng Commercial Sole Company Limited operates a 4-hectare high purity quartz deposit in Xay Champhone District, Borikhamxay Province, Lao PDR. Our concession holds a government-approved mining license with an annual export quota of 120,000 metric tons.

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Sustainable Mining

Environmentally responsible extraction with selective mining using modern SANY fleet. Full compliance with Lao PDR environmental regulations.

Technical Specifications

ROM (what we ship) and post-grinding (Yongsen ICP-MS verified)

Parameter

ROM Ore

After Basic Beneficiation (Yongsen ICP-MS)

SiO₂

99.2 – 99.5%

~99.999%

47–300 ppm (as Fe₂O₃)

0.24 ppm

350–1,900 ppm (as Al₂O₃)

3.88 ppm

—

0.29 ppm

Total Impurities

—

~10 ppm

Two columns, two labs, two stages of the same Bolikhamsay rock

ROM column: QUATEST 2 (Đà Nẵng, Vietnam), TCVN 6927:2001 ICP, three samples dated 2/6/2025 and 21/7/2025. Post-grinding column: Yongsen Silicon (永森硅业, Agilent 7850 ICP-MS), sample 503-1-4, 5 March 2025 — measured after grinding without acid leaching. Gas-liquid inclusions present; further treatment recommended for fused-silica or electronic-grade applications.

Applications

The Industrial Spectrum

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Silicon Metal (Mg-Si)

SAF chem-grade feedstock for Si 553 / 441 / 3303 / 2202. Strong vein-quartz lump, single-deposit consistency.

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Solar / PV Glass

Hydrothermal vein origin — no sedimentary iron overprint. Fe₂O₃ floor 30 ppm on premium streaks.

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Float / Container Glass

Single-operator chemistry holds month to month. Two licensed mines, same vein system.

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Engineered Stone

White crystalline matrix, low-iron streaks for premium colorways. Crushes cleanly to controlled grain.

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Fused Silica & Crucibles

Hand-sorted premium ROM streaks suitable for downstream HPQ beneficiation.

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Sanitaryware & Ceramics

Low-alkali crystalline quartz body filler. Consistent grain after milling for predictable firing.

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ATIGA Tariff Advantage

Lao PDR origin qualifies for 0% import duty under the ASEAN Trade in Goods Agreement (ATIGA) for ASEAN member states including Vietnam, Thailand, Indonesia, Malaysia, and the Philippines.

Partnership Opportunities

We welcome strategic partners with expertise in high-purity quartz processing

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