Mineral Lab
Sample 1
• Luster?• Is it gold, silver, or copper?
• Metallic
Sample 1
• Cleavage or Fracture?• How does the mineral break?
• Cleavage • It breaks into cubes / stair‐steps
Sample 1
• Streak?• When you scratch the porcelain plate, does it leave a color or colorless line?
• Color
Sample 1
• Hardness Test: Scratch the glass plate with the mineral. Does it leave a permanent scratch?
• No – Soft Mineral
Sample 1 ‐ Flow Chart
• Mineral A
Sample 1 ‐ ESRT page 16
Sample 2• Luster?• Cleavage/Fracture? • Streak?• Hardness?• Mineral Letter?
Sample 3• Luster?• Cleavage/Fracture? • Streak?• Hardness?• Mineral Letter?
Sample 4• Luster?• Cleavage/Fracture? • Streak?• Hardness?• Mineral Letter?
Sample 5• Luster?• Cleavage/Fracture? • Streak?• Hardness?• Mineral Letter?
Top Related