hardness 9 0 crystal optical cylinder lens

{"cid":"91184473","title":"Sapphire Parts Crystal Optical Cylinder Lens Hardness 9.0 High Light Transmittance Customized","imgUrl":"https:\/\/img.chinax.com\/nimg\/f3\/18\/190b96b9c1ed8cc7b3fac645629a-200x200-1.jpg","attrs":{"Brand Name":"ZMSH","Model Number":"Sapphire part","Delivery Time":"2-4 weeks","Place of Origin":"China","Payment Terms":"T\/T","Materials":"99.999\uff05 Al2O3","Type":"Single Crystal","Hardness":"9.0 (Mohs)","Colour":"transparent","Density":"3.98 g\/cm3","Transmittance":"85%"}}

{"cid":"91221799","title":"High Hardness Sapphire Rods Glass Cylinder 40\/20 Sapphire Crystal Lens","imgUrl":"https:\/\/img.chinax.com\/nimg\/1d\/67\/f03522055f7bcdfa346a63fb15b0-200x200-1.jpg","attrs":{"Brand Name":"jingjing","Minimum Order Quantity":"10 pcs","Delivery Time":"1-4 weeks","Place of Origin":"China","Payment Terms":"T\/T,Western Union,","Supply Ability":"100000 pcs\/Month","Certification":"ISO9001","Product Name":"Polished Optical Sapphire rod","Material":"Optical Sapphire crystal","Hardness Mohs":"9.0","Density":"3.98g\/cm\u00b3","Diameter":"as request","Diameter tolerance":"0\/-0.03 mm","Length":"as request","Length tolerance":"0\/-0.03 mm","Melting Point":"2045\u00b0C","Structure":"Plano-convex","Use":"Optical","Application":"Medical Endoscope Lens\/Optical Equipment","Surface quality":"60\/40"}}