basanite (chert) (Q43953)
From geokb
A black flinty variety of jasper or chert once used for estimating the purity of gold alloys
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | basanite (chert) |
A black flinty variety of jasper or chert once used for estimating the purity of gold alloys |
