Tasting Notes Introducing something altogether brand new from Crystal Head Vodka: Onyx. Onyx is a unique new expression of Crystal Head Vodka crafted from premium Blue Weber Agave sourced from a single farm in Mexico. First came Crystal Head Original made from Canadian corn then Crystal Head Aurora made from English wheat and now we have the third iteration made from an ingredient usually associated with Tequila. Crystal Head Onyx is an ultra-pure unadulterated spirit. Like its stablemates it contains no additives at all its blended with water from St Johns in Newfoundland and is filtered through more than 10 000 quartz crystals called Herkimer diamonds which gives the product its clean and semi-sweet finish. It drinks like a vodka but contains nuances of the Blue Weber agave most notably cut grass white pepper lemon sorbet spices and the earthy sweetness of agave syrup. Crystal Head have filled this elixir into a highly collectable jet-black version of their famous skull-shaped bott