$1,500.00 €1,390 £1,280.00 approx. This specimen is priced in US dollars, all other prices are approximate.
A splendid bed of lustrous brownish-black Cassiterite crystals to 1.7 cm, covering a milky-Quartz fracture surface on light grey killas. A very rich and showy example from the Trevaunance mine at St. Agnes in Cornwall, England.