Smarag

Smarag

Formule	Be₃Al₂(SiO₃)₆
Kleur	groen
Kristalsisteem	Seskantig
Eenheidsel	a = 9.21 Å, c = 9.19 Å; Z = 2
* Lys van minerale
Portaal Geologie

Smarag is a edelsteen en 'n verskeidenheid van die beril mineraal (Be₃Al₂(SiO₃)₆) wat groen gekleur word deur klein hoeveelhede van chroom of soms vanadium.^[1] Beryl het 'n hardheid van 7,5–8 op die Mohs-skaal.^[1] Die meeste smaragde is hoogs ingesluit,^[2] dus word hul duursaamheid (weerstand teen breek) as algemeen swak geklassifiseer. Smarag is 'n siklosilikaat.

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[2]

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Smarag

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