Your search for "capa saco" revealed the following:
Capa Saco Quartz
$40.00
PER KILOGRAM
Origin: Brazil - mined in the Capa Saco mine. One of the best mines of clear quartz in the world
BRZ10138
PER KILOGRAM
Origin: Brazil - mined in the Capa Saco mine. One of the best mines of clear quartz in the world
You renderd the snippet swatch.liquid with the name of a product option — 'Title' — that does not belong to your product.
Use {% render 'swatch' with 'name of your product option here' %}
Example: {% render 'swatch' with 'Color' %}
This is case-sensitive! Do not put in 'color' if your product option name is 'Color'.