"Calcite and pyrite?" Pearl repeats, brows knitting. She shakes her head. "How peculiar.... You know I really have to question their scientific method on this one," she sighs, folding her arms. "It sounds to me like they only seem to have a vague theory based off of very minimal amounts of data. That sort of work would hardly stand up under peer review..."

In a way, it's almost not like she's talking to Lapis anymore as she rambles about this? She's just kind of thinking out loud.