Crystal morphology: orthorhombic double-cone crystal; crystal is columnar, the main simple shape is: oblique square m, n, plane double-sided c Crystal structure: crystal system and space group: orthorhombic system, D122h-Pnnm Unit cell parameters: a0=7.78?, b0=7.92?, c0=5.57?, z=4 Powder crystal data: 5.54 (1) 2.77 (0.9) 4.53 (0.9) Hardness: 6.5-7.5 Specific gravity: 3.13-3.16g/cm3 Cleavage: incomplete, cleavage completely Fracture: a slender fracture created by a cross-clear cleavage or cracking Color: often grayish white or flesh red, rare in blue, green, purple Streak: white Transparency: transparent Gloss: glass luster Luminescence: none Other: Crisp Nylon Fabric Print Fabric,Printed Nylon Fabric,Floral Nylon Fabric,Printed Waterproof Nylon Fabric SHAOXING GOODFULL TEXTILE TECHNOLOGY CO., LTD , https://www.textilegf.com