Koohestan Aligudarz Quarry

Koohestan Aligudarz Quarry is located in Lorestan Province and extracts and supplies rough Aligudarz crystalline marble. Its product belongs to the crystalline marble group.
نمای معدن سنگ چینی کوهستان الیگودرز

Quarry overview

Province
Lorestan
County
Aligudarz
Operating status
Active
Year operations began
1374

Laboratory tests

Technical Properties of Aligudarz Crystalline White Marble

Laboratory: Building Stone Laboratory, Engineering Geology Department, Tarbiat Modares University

Test results for the sample
ParameterValueUnitStandard
Principal mineralCalcite (CaCO3)DimensionlessXRD
Dry density2.69g/cm³EN 1936:2006
Saturated density2.69g/cm³EN 1936:2006
Specific gravity2.69DimensionlessEN 1936:2006
Effective porosity0.26%EN 1936:2006
Water absorption under vacuum0.10%Vacuum saturation method; report Section 2.3
Linear expansion from -20 to +80°C1.30mm/mEN 14581:2004
Thermal expansion coefficient12.97 × 10⁻⁶°C⁻¹EN 14581:2004
Uniaxial compressive strength69.56MPaEN 1926:2007
Flexural strength6.03MPaEN 13161:2008; as cited in the report
Cerchar abrasivity index (CAI)1.62DimensionlessCerchar method; standard number not stated
Slip resistance of polished surface, dry (SRV)52DimensionlessEN 14231
Slip resistance of polished surface, wet (SRV)20.3DimensionlessEN 14231
Weight loss after 30 freeze-thaw cycles0.13%ASTM (2013); standard number not stated
P-wave velocity before freeze-thaw testing5385m/sISRM 1981
P-wave velocity after 30 freeze-thaw cycles3070m/sISRM 1981
P-wave velocity reduction after 30 freeze-thaw cycles42.99%ISRM 1981
Weight loss after 30 wetting-drying cycles0.00%Method described in report Section 2.9
P-wave velocity before wetting-drying testing5306m/sISRM 1981
P-wave velocity after 30 wetting-drying cycles5261m/sISRM 1981
P-wave velocity reduction after 30 wetting-drying cycles0.85%ISRM 1981
View PDFDownload laboratory report PDF · 912 KB

Chemical analysis XRF

Laboratory: Building Stone Laboratory, Engineering Geology Department, Tarbiat Modares University

Test results for the sample
ParameterValueUnitStandard
Loss on ignition (LOI)43.48%XRF
Silicon dioxide (SiO2)0.12%XRF
Aluminium oxide (Al2O3)0.03%XRF
Calcium oxide (CaO)55.72%XRF
Sodium oxide (Na2O)0.05%XRF
Iron oxide (Fe2O3)0.12%XRF
Magnesium oxide (MgO)0.49%XRF
Phosphorus pentoxide (P2O5)0.003%XRF
Sulfur trioxide (SO3)0.016%XRF
Chlorine (Cl)0.008%XRF

Videos

Koohestan Stone at the 15th Tehran Stone Exhibition

Location and access

Address
Iran — Lorestan Province, Aligudarz County

Contact information

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