Geology · Mineralogy
प्राकृतिक अवस्था में किसी खनिज की पहचान करने में निम्नलिखित में से कौन सा भौतिक गुण सबसे अधिक सहायक और उपयोगी है?
- 1पारदर्शिता (Transparency)
- 2विशिष्ट गुरुत्व (Specific Gravity)
- 3रंग (Color)
- 4कठोरता (Hardness)✓
सही उत्तर देखें
कठोरता (Hardness)
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