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Chryzopras (též chrysopras, často chybně chryzopas) je zeleně zbarvená průsvitná odrůda minerálu chalcedonu. Ze všech odrůd chalcedonu je tento drahý kámen ceněn nejvíce. Název pochází z řečtiny (chrysos = zlatý, prasinos = zelený).
Použití, Lokality & Vznik
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chalcedonu kámen zeleně lokality niklu kalifornie brazílie oswald hadců sio2 barva zelené minerálu řečtiny jako vzniká jablečně roku okolí rozkladem
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Chryzopras | Barva | odstíny zelené | 1.00 | infobox |
| Chryzopras | Chemický vzorec | SiO2 | 1.00 | infobox |
| Chryzopras | Hustota | 2,65 g ⋅ cm−3 | 1.00 | infobox |
| Chryzopras | Kategorie | Minerál | 1.00 | infobox |
| Chryzopras | Lesk | skelný až voskový | 1.00 | infobox |
| Chryzopras | Rozpustnost | KOH | 1.00 | infobox |
| Chryzopras | Tvrdost | 6,5–7 | 1.00 | infobox |
| Chryzopras | Vryp | bílý | 1.00 | infobox |
| Chryzopras | Vzhled krystalu | netvoří | 1.00 | infobox |
| Chryzopras | Štěpnost | žádná | 1.00 | infobox |
| Chryzopras | related to Externí odkazy | Obrázky | 0.60 | section |
| Chryzopras | related to Externí odkazy | Wikimedia Commons | 0.60 | section |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
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