Semi/off White Quartz Lumps F < 0.05 %

MOQ25 Ton
MaterialQuartz Stone
FormSolid
Hardness7 (Mohs Scale)
GradeIndustrial Grade
Supply TypeManufacturer, Exporter, Supplier, Distributor, Trader
Preferred Buyer Location All over the world

Product Details

SiO2 Content (%)97–99 %
MgO Content (%)< 0.5 %
Chemical CompositionSiO₂ 97–99 %, Fe₂O₃ 0.1–0.3 %, Al₂O₃ 1–2 %, CaO < 0.5 %, Na₂O < 0.3 %
Country of OriginIndia
P2O5 Content (%)< 0.01 %
Whiteness99%
StateSolid
Hardness7 (Mohs Scale)
LusterVitreous to Greasy
Melting Point1710 °C (approx.)
Product CodeQZ-L-SOW-01
Refractive Index1.54 – 1.55
SolubilityInsoluble in Water
Mohs Scale Hardness7
StreakWhite
Brand NameMineAstra
MaterialQuartz Stone
ShapeLumps
ColorOff-white
ConditionNew
FormSolid
ApplicationGlass Manufacturing, Ceramics, Foundry Sand, Silica Bricks, Ferro Alloys, Construction Filler
Size50 mm – 150 mm (average)
GradeIndustrial Grade
Purity> 97 % SiO₂ (Min.)
DimensionIrregular Natural Lumps
Packaging TypePlastic Bags / Gunny Bags / BOPP Bags (as per requirement)
Packaging Size50kg, 25kg
TypeQuartz Lump
ThicknessVaries with lump size (typically 50–150 mm)

Off White Quartz Lumps with natural beige undertone and Fe₂O₃ content below 0.05%. These lumps offer a balance between cost and purity, widely preferred in foundry fluxes, glass batching, and sanitaryware formulations. The material is screened and washed to minimize clay and dust.

Applications: Foundry sand, glass, semi-gloss ceramics.

Specifications: SiO₂ 99.4–99.6%, Fe₂O₃ < 0.05%.

Additional Information

Payment Terms L/C, D/A, D/PT/T
Port of DispatchKrishnapatnam / Chennai / Vizag Port
Packaging Details50 kg Bags or 1 MT Jumbo Bags with LDPE liner, secured on wooden pallets for export or domestic dispatch
Delivery Time7 DAYS

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