Well they actually do know what bits of strange matter would look like on earth if it weren t dangerous.
What does strange matter look like.
It would resemble our regular atoms a positively charged core made of quarks with electrons around only heavier.
When it is said to thing a strange it indicates that its behaviour or properties are not known to observers for example dark matter is strange because it is still not known as structure and well defined properties the dark energy energy mass matter is also still not well known as clear identity or some times we have particles crated by strong force but they decay under the effect of weak force like the strange quatk s.
The most dangerous stuff in the universe.
Then i show you what happens i.