An elementary treatise on quartz and opal, including their varieties :
with a notice of the principal foreign and British localities in which they occur /
by George William Traill.
|Published / Created:||
MacLachlan & Stewart,
|Notes:||Includes index and bibliography. |
Cover title: Treatise on quartz and opal.
Physical description: [xi], 49 p.  leaf of plates : ill ; 20 cm.