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xtal model question

Category: Software

I'm only 4 days an LTspice user, and to learn the ins-and-outs of the application, am modeling a crystal controlled VCO.  I placed an "xtal" from the library, got the correct symbol for a crystal, but the info dialog represented this as a capacitor. I don't understand that. I expected a series L, C R with a parallel C around the series string. Could someone explain what the logic was for a capacitor to model a crystal?

Thanks, Doug Ronald, W6DSR