| Property | Value |
|---|---|
| dcterms:created | 2006-05-04T13:04:33Z
|
| dcterms:modified | 2006-05-04T13:04:33Z
|
| rdf:value | Perlite is an amorphous glass mineral of volcanic origin.
|
| Property | Value |
|---|---|
| dcterms:created | 2006-05-04T13:04:33Z
|
| dcterms:modified | 2006-05-04T13:04:33Z
|
| rdf:value | Perlite is an amorphous glass mineral of volcanic origin.
|