Eksplorasi kristalografi dan difraksi
Eksplorasi kristalografi dan difraksi –
mineral Schorl
Rumus kimia |
Na(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH) |
Gambar |
|
Nama |
Schorl |
Nama mineral |
Schorl |
Kristal |
http://www.webmineral.com/data/Schorl.shtml#.VgsZGvmqqko |
Data kristal |
http://rruff.geo.arizona.edu/AMS/result.php?mineral=schorl |
|
|
Space Group |
http://www.cryst.ehu.es/cgi-bin/cryst/programs/nph-wp-list?gnum=160&grha=hexagonal |
Wyckoff Positions |
|
Sifat-sifat |
Transparancy: translucent, opaque
Colour: bluish-black to black.
Streak: greyish-white to blueish-white
Hardness: 7 Mohs
Tenacity: brittle
Cleavage: poor
Density: 3.18-3.22, theoretical: 3.224 g/cm3 |
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