Corundum (var: Sapphire) (doubly terminated "floater" crystal) caddisfly the word Knappenkees is possibly

the word Knappenkees is possibly a reference to the Lappenkees (Lappen Glacier)

you can actually see patches of beautiful soft lilac colored banded Agate which has filled in some of the open vugs in the wood

and it's really pretty when viewed up close

deep reddish-black groups of Sphalerite are smartly perched atop a “mound” of HIGHLY lustrous

these are not the finest Pyromorphite specimens

Corundum (var: Sapphire) (doubly terminated "floater" crystal) caddisfly the word Knappenkees is possiblySome of the finest quality crystals of Sapphire in the world are those from various localities in Sri Lanka. The combination of excellent sharp, euhedral crystals along with a beautiful range of colors puts them in the upper tiers for Sapphire crystals from anywhere. This piece is a fine quality, very sharp (not rounded or water worn), rather lustrous, well formed, euhedral, hexagonal, striated, doubly terminated "floater" crystal with a lovely blue