Sfalerit ( sphalerite; zink blende; black jack )

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Sfalerit ( sphalerite; zink blende; black jack ) merupakan Mineral sulfida seng (zns) berwarna hitam sampai cokelat, berkilap damar, berkristal kubik, mempunyai kekerasan 3,5-4,0, dan berat jenis 3,9 – 4,2; sin. Kepurseng

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