What's the plural form of andyrobertsite? Here's the word you're looking for.
Answer
The noun andyrobertsite can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be andyrobertsite.
However, in more specific contexts, the plural form can also be andyrobertsites e.g. in reference to various types of andyrobertsites
or a collection of andyrobertsites.