Karst: Rock Identifier — ASO

By Antonio Giarrusso on AppTrack Ninja.

Stone, Mineral & Crystal ID

Found a strange pebble on the beach or a rock on a country walk? Snap 1 to 3 photos: Karst names it and tells you how sure it is. Not sure? Karst says so, then picks one free kitchen test, like a drop of vinegar, that tells the matches apart in about a minute. Made for families: Kid mode is free, with picture steps, a detective badge for every test and clear toxic warnings. HONEST ANSWERS • A plain word for every ID: Likely, Possible or Uncertain, with reference photos to compare • When Karst can't tell, it says so and suggests the one test that tells the matches apart • Scratch, streak, vine…

Categories: Education, Reference

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