| Literature DB >> 6036232 |
Abstract
Electron microscopy of natural and broken surfaces of echinoid skeletal plates reveals that the interior portions have the morphology of a single crystal, whereas the exterior is a polycrystalline aggregate with preferred orientation. These data help to resolve earlier contradictory x-ray and optical evidence.Mesh:
Substances:
Year: 1967 PMID: 6036232 DOI: 10.1126/science.157.3792.1048
Source DB: PubMed Journal: Science ISSN: 0036-8075 Impact factor: 47.728