How Can You Use Streak To Identify A Mineral?
How Can You Use Streak To Identify A Mineral? To check streak, scrape the mineral across an unglazed porcelain plate (Figure below). Yellow-gold pyrite has a blackish streak, another indicator that pyrite is not gold, which has a golden yellow streak. The streak of hematite across an unglazed porcelain plate is red-brown. Why is streak