Search Archived Mineral Specimens
- Featured in Special Editions
- Lemnäs, Kemiö Island, Finland
- SmCabinet 6x5x6cm
- pegmatite mineral
This is a weird one, one of which had been described in the old literature as "gigantolite" in reference to it huge, gigantic crystals once though to be a unique mineral. Later studies proved it to be only a mixture of micas. The old Excalibur and Heinrich label indicates that it is a variety of topaz, which evidently it is not.