l symmetryTriclinic pedialH-M symbol: (1)Space group: P1Unit cella = 5.13 Å, b = 8.89 Å, c = 7.25 Å; α = 90°, β = 104.5°, γ = 89.8°; Z = 2Identificationපාට / පැහැයWhite, sometimes red, blue or brown tints from impuritiesCrystal habitRarely as crystals, thin plates or stacked, More commonly as microscopic pseudohexagonal plates and clusters of plates, aggregated into compact, claylike massesCrystal systemTriclinicCleavagePerfect on {001}TenacityFlexible but inelasticMohs scale hardness2–2.5LusterPearly to dull earthyStreakWhiteSpecific gravity2.16–2.68Optical propertiesBiaxial (–)Refractive indexnα = 1.553–1.565, nβ = 1.559–1.569, nγ = 1.569–1.5702V angleMeasured: 24° to 50°, Calculated: 44°References[1][2][3]කෙයලිනයිට් යනු මැටිවල ඇති ඛනිජයකි. කෙයලිනයිට් අධික මැටි කිරිමැටි හෙවත් පිඟං මැටි ලෙස හැ﻿ඳින්වේ. ↑ "Kaolinite mineral information and data". MinDat.org. සම්ප්‍රවේශය 2009-08-05.↑ "Kaolinite Mineral Data". WebMineral.com. සම්ප්‍රවේශය 2009-08-05.↑ Kaolinite in the Handbook of M