Any tequila named after either a Aztecian or Incan god or King. Any tequila named after any items of Mexican clothing or headgear. Mezcal is more rough edged and less distilled than tequila. There are much fewer brands available and not much difference in quality between them. Try the lightly coloured Ultramarine or the appropriately named Bronco which has a higher alcohol content.
Commercial tequila is made in the following manner.
The plants are harvested after being in the fields for eight to twelve years. The long spear like leaves are then cut off leaving the large, fleshy cores which have the look of enormous pineapples. These pinas, which can weigh up to 200lbs, are then steamed to make them juicy and the juice extracted. This juice is then fermented and double distilled to produce tequila. This may then be bottled to give a Blanco or silver tequila.