| 单词 | streak plate |
| 释义 | streak plateAn unglazed piece of porcelain, such as a tile, used to test the characteristic streak of minerals by rubbing the mineral across the tile. Streak plates have a hardness of about 6.5 on the Mohs scale and cannot be used for testing harder minerals. See streak. Words nearby streak platestrays, strayve, streak, streak culture, streaking, streak plate, streaky, stream, streambed, streamer, streamer fly The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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