A guide to quartz bannerstones: why quartz butterflies look different, clear, green and ferruginous quartz, how they were made and what affects their value.
How to identify a winged bannerstone: Wisconsin wings, butterflies and clipped wings, the stones they were carved from, where they are found and their value.
How to identify a notched ovate bannerstone: single and double-notched ovates, northern and southern ovates, where they are found and what affects value.
How to identify a tube bannerstone: round, oval, square and fluted tubes, Benton phase "covered wagon" tubulars from Mississippi, and what affects value.
How to identify a pick bannerstone: the curved and straight pick forms, the Stanly culture of North Carolina, Northeast curved picks and what affects value.
How to identify a crescent bannerstone: single, double and knobbed crescents, how they differ from picks, where they are found and what affects their value.