Pro tip: my $9 thrift store microscope beat a $300 digital one for rock ID

Susan Ramirez · 2026-08-16T11:05:04.141083+00:00

I was trying to tell quartz from calcite in my collection and the cheap scope with natural light did it in one try, the digital one kept washing out every surface. Anyone else find older, simpler gear nails geology stuff that fancy tech screws up?

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Pro tip: my $9 thrift store microscope beat a $300 digital one for rock ID | Big Ideas Uncut - Free To Speak