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How is a mineral's effervescence measured? scraping it against an unglazed porcelain plate dripping acid onto it placing it near iron filings striking it with a hammer
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How is a mineral's effervescence measured?

scraping it against an unglazed porcelain plate


dripping acid onto it


placing it near iron filings


striking it with a hammer

User Skalb
by
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Dripping Acid onto it
User Erin Heyming
by
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