How to tell crystalline from amorphous on touch?

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SUMMARY

The discussion centers on distinguishing crystalline substances from amorphous ones through tactile methods. Participants emphasize that both types can feel powdery, making touch an unreliable indicator. Key techniques for differentiation include examining the material's structure under a microscope and conducting solubility tests. The consensus is that tactile assessment alone is insufficient for accurate classification.

PREREQUISITES
  • Basic knowledge of inorganic chemistry
  • Understanding of crystalline and amorphous structures
  • Familiarity with qualitative analysis techniques
  • Microscopy skills for material examination
NEXT STEPS
  • Research microscopy techniques for analyzing crystalline structures
  • Study solubility tests for identifying material properties
  • Learn about X-ray diffraction methods for crystallography
  • Explore the differences in thermal properties between crystalline and amorphous materials
USEFUL FOR

Chemistry students, educators in inorganic analysis, and professionals in material science seeking to enhance their understanding of material classification.

RandomGuy1
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Apologies if this is a stupid question, my basics are really weak. We have Inorganic Qualitative Analysis in our chemistry syllabus and I have somehow never been able to figure out if a substance is crystalline or amorphous. They both feel so ... powdery.
 
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There is no way to tell just by touch.
 

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