Well cut, the Chondrodite is greatly appreciated by collectors!
To learn more about the Chondrodite, See Mindat.org->
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Chondrodite
- Translations : Brocchit, Chondrodit, Brocchita, Chondrodita, Хондродит, 粒硅镁石
- Synonym : Brocchite, Condrodite, Prolectite,
- Etymology : From the Greek "Chondros" = grain, referring to the shape of the crystals.
- Discovery: en 1871 by Abraham Constantin Mouradgea d'Ohsson
- Type localityPargas in Finland.
Gemological data
- Chemical formula : (Mg,Fe+2)5 (SiO4)2 (F,OH)2
- Hardness (Mohs) : 6 - 6.5
- Density : 3.16 - 3.26
- Refractive index : nα = 1.592 - 1.643 nβ = 1.602 - 1.655 nγ = 1.619 - 1.675
- Birefingence : 0.030
- Crystal system : Monoclinic
- Group : Silicates
- Mineralogical Class : Nesosilcates
The gallery
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