Looks like google will either import or export vcard, outlook csv or google csv. So I exported a contact from google to a google csv, just to see what the fields are - here they are, in order as exported:
Code:
Name
Given Name
Additional Name
Family Name
Yomi Name
Given Name Yomi
Additional Name Yomi
Family Name Yomi
Name Prefix
Name Suffix
Initials
Nickname
Short Name
Maiden Name
Birthday
Gender
Location
Billing Information
Directory Server
Mileage
Occupation
Hobby
Sensitivity
Priority
Subject
Notes
Group Membership
E-mail 1 - Type
E-mail 1 - Value
Phone 1 - Type
Phone 1 - Value
Phone 2 - Type
Phone 2 - Value
Address 1 - Type
Address 1 - Formatted
Address 1 - Street
Address 1 - City
Address 1 - PO Box
Address 1 - Region
Address 1 - Postal Code
Address 1 - Country
Address 1 - Extended Address
Address 2 - Type
Address 2 - Formatted
Address 2 - Street
Address 2 - City
Address 2 - PO Box
Address 2 - Region
Address 2 - Postal Code
Address 2 - Country
Address 2 - Extended Address