| Description: The synthetic_type element identifies the process by which the specimen was produced synthetically. |
| Namespace Id: speclib | Steward: geo | Class Name: Specimen_Classification | Type: UTF8_Short_String_Collapsed |
| Minimum Value: None | Maximum Value: None | Minimum Characters: 1 | Maximum Characters: 255 |
| Unit of Measure Type: None | Default Unit Id: None | Attribute Concept: None | Conceptual Domain: SHORT_STRING |
| Status: Active | Nillable: false | Pattern: None |
| Permissible Value(s) | Value | Value Meaning |
| | Entirely Synthetic | Sample that is entirely human-made |
| | From Natural | A natural product chemically or mineralogically altered by a laboratory treatment (e.g., heating). Does not include size and magnetic separates of natural samples or washing by water. |
| | Hardware | Portions of an instrument, e.g., portions of a spectrometer that contribute to a spectroscopic signature and thus need to be characterized |
| | Natural and Synthetic | Sample that is a mixture of human-made and naturally occurring components |