Cassiterite with Siderite and Quartz cabinet they’re just not available and

they’re just not available and only a few truly fine specimens of this material exist

Sri Lanka in the 1890s

Specimen# CO712B132

It should be noted that the tip of the Quartz crystal is actually purple Amethyst(

and you can spend a great deal of time looking at it under magnification to see all of the impressively well-preserved insects inside

Cassiterite with Siderite and Quartz cabinet they’re just not available andThe quality of the Cassiterites on this specimen is outstanding. Theyre very sharp, smooth and lustrous, and good sized for the material! Several fantastic, very sharp, eye catching, highly lustrous, jet black to golden colored, amazingly well formed cyclic twinned crystals are aesthetically intergrown with tan compressed rhombohedra of Siderite. There are actually a few small Quartz crystals on the piece as well for a final touch. Very minimal