4 64g cm3 piezoelectric crystals

{"cid":"91189418","title":"4.64g\/Cm3 Piezoelectric Lithium Niobate Photonics For Optical Waveguides","imgUrl":"https:\/\/img.chinax.com\/nimg\/a6\/f8\/4e3d9808b7a28e0592d79a68b5bd-200x200-1.jpg","attrs":{"Price":"USD 20~200\/pc","Brand Name":"Crystro","Model Number":"CR210219-2","Minimum Order Quantity":"1pc","Delivery Time":"2-5 weeks","Certification":"SGS\/COC","Place of Origin":"China","Payment Terms":"T\/T, Western Union, MoneyGram, Paypal","Supply Ability":"2000pcs per month","Packaging Details":"Transparent clean box","Material":"Piezoelectric Crystal Lithium niobate LN LiNbO3","Melting Point":"1253\u2103","Mohs Hardness":"5","Density":"4.64g\/cm3","Transparency Range":"420-5200nm","Absorption Coefficient":"~0.1%\/cm @1064nm","Refractive Indices":"ne=2.156, no=2.232@1064nm","Flatness":"\u03bb\/4 @632.8nm"}}

{"cid":"91202165","title":"Piezoelectric LiNbO3 Substrate 128Y Cut With Orientation Flat Notch","imgUrl":"https:\/\/img.chinax.com\/nimg\/70\/37\/cc90b750e45287a8f0c5052860b5-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"BonTek","Model Number":"Lithium Niobate (LiNbO3)","Minimum Order Quantity":"5 Pieces","Delivery Time":"1-4 weeks","Certification":"ISO:9001","Place of Origin":"China","Payment Terms":"T\/T, Western Union","Supply Ability":"10000 pieces\/Month","Packaging Details":"Cassette \/ Jar, put in a carton with PE foam.","Crystal":"Lithium Niobate","Size":"3'', 4'', 6'', 8''","Optical grade":"X-cut, Z-cut","SAW grade":"Y, Z, 64Y, 128Y, 41Y","Thickness":"0.25mm - 3mm","Surface":"Polish, Lap, Etch","Application":"SAW, BAW, FBAR, Semiconductor, Optical","Polarization":"Yes"}}