Nice sharp group of cassiterite crystals with a partial coating of fluorescent green hyalite opal. The hyalite fluoresces under longwave UV (Convoy) but is much brighter under shortwave. The green fluorescence is due to uranyl...
8186 M3762 Anatase, Chlorite, Cassiterite, Albite, Quartz, Craddock Moor Mine, Craddock Moor, St Cleer, Liskeard District, Cornwall, England
A single blue anatase crystal on a specimen containing dark green chlorite, orange-brown cassiterite, white albite and colourless quartz. Ex Bernie and Margaret Day Collection. The label on the base of the box is in...
20060 Cassiterite, Ferberite, Yaogangxian Mine, Yaogangxian W-Sn ore field, Yizhang Co., Chenzhou, Hunan, China
A group of cassiterite crystals on a striated single ferberite crystal. Width 11mm. Stack of 130 images.
Transparent brown to almost black prismatic cassiterite crystals with dark greenish schorl and yellow calcite. Width 6.5mm. Stack of 109 images. Ex Jo Price Collection.
Heavy specimen. Most of the matrix is cassiterite too. Video best viewed full screen.
Ex Barry Johnson Collection. Video best viewed full screen.
Cluster of lustrous sharp crystals. Ex Barry Johnson Collection. Video best viewed full screen.
ncat VHD10, Cassiterite, Goethite after Pyrite, Poldark Lode, Wheal Roots, Trevean, Wendron, Helston, Cornwall, England, UK
Very rare location. The site is only available to Chris Jewson. Very little in the literature about this very small mine.
Ex Bernie Day specimen.
4915 Cassiterite, Engine Shaft Tip, Wheal Peevor, Redruth, Camborne – Redruth – St Day District, Cornwall, England, UK
Rare from locality. Collected 10/2005, Chris Jewson