Been seeing several threads the last few days regarding how you tell which rock is worth using a prospector on. Took a couple screenshots while out mining today, maybe this'll help someone.
Void Opal core in front of a non-core rock:
Grandidierite core (left) and non-core (right) at medium range:
Grandidierite core (left) and non-core (right) at short range:
Prospector comparison of the two rocks:
Asteroid Fissure as seen without nightvision:
Asteroid Fissure seen under nightvision (and a photographer not paying attention to his detonation timer):
Obligatory bragging image:
Void Opal core in front of a non-core rock:

Grandidierite core (left) and non-core (right) at medium range:


Grandidierite core (left) and non-core (right) at short range:


Prospector comparison of the two rocks:

Asteroid Fissure as seen without nightvision:

Asteroid Fissure seen under nightvision (and a photographer not paying attention to his detonation timer):

Obligatory bragging image:
