This Gold Ore Looks Like Garbage And That's Why You're Missing It

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Издатель May 9, 2026

That dull metallic rock in your hand might be a valuable gold ore. This video shows how to identify Calaverite, a mineral with significant gold content, using simple field tests. Learn essential geology and mineral specimen identification techniques to avoid overlooking potential gold mining finds.

I run the mineral identification stack I trust in the field: unglazed tile streak test, $5 copper coin hardness check, $15 specific gravity setup, and $10 nitric acid. Use it on dull brass calaverite, gray sylvanite, and black petzite before pyrite fools your eye.

The kit stays under $30, and the ground is Cripple Creek, Kalgoorlie, Sacaramb, and every rusty iron gossan staining volcanic rock.

???? The zero dollar streak test on unglazed porcelain for greenish black calaverite
???? The $5 copper coin and steel file hardness check that separates Mohs 2.5 tellurides from Mohs 6 pyrite
???? The $15 specific gravity setup with a 0.1 gram kitchen scale and water displacement
???? Calaverite at 40 percent gold, SG 9.1 to 9.3, and why it feels wrong in the hand
???? Sylvanite from Sacaramb, Romania, with Mohs 1.5 to 2 and a gray black streak
???? Petzite, Ag3AuTe2, named in 1884 after W. Petz, and the smear test under a blade
???? The Kalgoorlie road fill disaster from 1893 to 1896, where calaverite was paved into streets
???? The 10 percent nitric acid test and the lead dust warning for altaite and hessite

Parts of Video:
0:00 Gold telluride hook and zero dollar streak test
2:24 Iron gossan and volcanic terrain signs
3:29 Calaverite, sylvanite, and petzite identification
10:14 Four field tests under $30
14:24 Kalgoorlie streets paved with calaverite

Subscribe if you want field tested mineral identification that keeps gold tellurides out of the waste pile.

#goldprospecting #rockhounding #mineralidentification #calaverite #telluridegold #cripplecreek #kalgoorlie

I trust a zero dollar streak plate before I trust shine. Would you scratch a dull brass rock before tossing it?

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This Gold Ore Looks Like Garbage And That's Why You're Missing It

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