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View compareRocksmins Streak Plate For Minerals Streak Test & Mohs Hardness Test 10 Pcs White, For Kid
Rocksmins Streak Plate For Minerals Streak Test & Mohs Hardness Test 10 Pcs White, For Kid
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$22.48 USD
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$22.48 USD
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$24.73 USD
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Description
Description
The Streak Test Is A Way Of Determining The Color Of A Mineral In Powdered Form. A Specimen Of The Mineral Is Placed Against A Piece Of Unglazed Porcelain Plate (Known As A Streak Plate) And Scraped Across The Surface Of The Plate. If A Powdered Residue Is Left Behind, The Color Of That Powder Is Known As The MineralS Streak Color. The Observer Must Determine If The Mark Left On The Streak Plate Is A Genuine Powder Or If It Is Composed Of Granules Or Broken Fragments. These Streak Plates Are Approximately 2 X 2 In Size And About 3/16 Thick. They Are A Good Size For Classroom, Field, And Laboratory Use. The Black Plate Allows For Easier Examination Of A White Mark To Determine If It Is A Powder Or If It Is Granules Or Broken Fragments.
