Loetz Orbulin Part II

1. A picture of the orbulin formation in Nature.
2. A picture showing the effect of gold and silver iridescence on a pink background.The gold turns it "orange"l the silver: a "cold blue".
3-4. Years ago I bought this metal frame with a Kralik vase, which fitted it perfectly. In fact, I used it interchangeably with other
Kralik pieces of the same shape. I never thought I'd find a Loetz to fit!