> I am in need of a geologist's background to catalog some petrified
> wood we were given. I believe it is from Arizona, being highly
> colored, although the envelope says it came from California.
> 
> I don't know exactly how to classify/catalog it in our Past Perfect
> system. Can you help?
> 
> 1. Do I call it Petrified Wood, or do I call it Chalcedony (I did a
> little googling and that's apparently another name for the mineral
> content of petrified wood?) Agatized wood, or something else?  Nothing
> is in the lexicon for any of these choices. 
> 2. Is this a geology sample or is it a biology sample (being once
> wood)?
> 
> 3. If geology, I have the following fields to fill in:
> *	Rock Type
> *	Chemical Comp.
> *	Crystal system
> *	specific gravity
> *	Hardness
> *	luster
> *	varieties or occurrence
> *	surface process
> 
> I really appreciate any help you can give me!
> 
> Sincerely,
> Sabrina Henneman
> Registrar
> Genesee Country Village & Museum
> 

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