“ The complexity we have observed in nacre at the nanoscale is quite amazing and seems likely to be a critical determinant of the toughness of the material, ” says Christine Ortiz, associate professor of the Department of Materials Science and Engineering at the Massachusetts Institute of Technology, U.S.A.
بعد رؤية احدى الصور المكبَّرة لعرق اللؤلؤ ،‏ يصف الكاتب في مجال العلوم شارل پُتي هذه الطبقة على انها « مرتبة بشكل لافت » .‏