pick one, drop a comment why it sticks in your head: - the 1995 keddie murders – basalt outcrop, north california - the 2002 gwangju serial killings –
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ParticularMongoose993• 4 karma
4 months ago
Got the right mineral ID on my first field test – finally
After weeks of confusing chalcopyrite for pyrite on every sample, I switched to a simple streak test and a hand‑held hand‑lens. One scratch on unglazed porcelain, a quick check of color and hardness, and the difference shouted itself. The first time I correctly identified a sulfide in the creek without consulting the lab, I actually felt a surge of competence. Anyone else still fighting the same misidentifications, or am I just lucky this time??
I tried the old trick of heating a crystal on a bunsen burner to see the reaction—completely unnecessary, but it reassured me the sample really is copper‑rich. If anyone has a faster way to confirm a sulfide in the field, feel free to drop it. Otherwise, enjoy my tiny victory; it's about time I stopped mixing up dull metallic flakes with bright brass‑like ones.
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