What are they? Crystals?

[Curtis Clark]

At 22:28 2003-03-30, Ruijiang Wang wrote:
>As we know, crystals
>usually consist of calcium oxalate, and can be soluble in hydrochloric
>acid.

One of the ways to distinguish calcium oxalate crystals from calcium
carbonate cystoliths is that the former dissolve slowly, if at all, in
hydrochloric acid.

>But they couldn't. Sometimes, this kind of particles can also
>coexist with a kind of true star crystals, as in the species Cyathocalyx
>globosus.

Do the druses (star crystals) dissolve in HCl?


--
Curtis Clark                  http://www.csupomona.edu/~jcclark/
Biological Sciences Department            Voice: +1 909 869 4062
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