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Q: The colour of the powdered mineral is
  • A. Hardness
  • B. Streak
  • C. Cleavage
  • D. Fracture
Correct Answer: Option B - Streak– The colour of a mineral in its powdered form is known as streak for some minerals their colour is seen to entirely different from that of their powder which makes streak useful property in the identification of ore minerals. • Streak can be readily observed by scratching it on a streak plate made of unglazed porcelain or roughened glass
B. Streak– The colour of a mineral in its powdered form is known as streak for some minerals their colour is seen to entirely different from that of their powder which makes streak useful property in the identification of ore minerals. • Streak can be readily observed by scratching it on a streak plate made of unglazed porcelain or roughened glass

Explanations:

Streak– The colour of a mineral in its powdered form is known as streak for some minerals their colour is seen to entirely different from that of their powder which makes streak useful property in the identification of ore minerals. • Streak can be readily observed by scratching it on a streak plate made of unglazed porcelain or roughened glass