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Cinabarit (rumělka) (Theofrastos, 315 př. n. l.), chemický vzorec HgS (sulfid rtuťnatý), je klencový minerál. Název je historický, pravděpodobně pochází z Indie. Jiný pramen uvádí perský původ, zinjifrah – ztracený. Starší český název je rumělka, podle barvy minerálu.
Naleziště, Získávání & Vlastnosti
Explore the main themes, entities and connections around Cinabarit. Start with the topic map, then use the sections below for research and deeper semantic analysis.
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minerál vlastnosti cinabaritu rumělka název rtuť původ červený chemický vzorec hgs rtuti pochází tvrdost štěpnost vryp hustota minerály markazit opál
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Cinabarit | Barva | červená, hnědočervená | 1.00 | infobox |
| Cinabarit | Chemický vzorec | HgS | 1.00 | infobox |
| Cinabarit | Hustota | 8,1 g ⋅ cm−3 | 1.00 | infobox |
| Cinabarit | Index lomu | nω = 2,905 nε = 3,256 | 1.00 | infobox |
| Cinabarit | Kategorie | Minerál | 1.00 | infobox |
| Cinabarit | Lesk | diamantový, matný | 1.00 | infobox |
| Cinabarit | Rozpustnost | nerozpustný v HNO3 a H2SO4 | 1.00 | infobox |
| Cinabarit | Soustava | klencová | 1.00 | infobox |
| Cinabarit | Tvrdost | 2 – 2,5 | 1.00 | infobox |
| Cinabarit | Vryp | červený | 1.00 | infobox |
| Cinabarit | Vzhled krystalu | romboedry, trapezoedry | 1.00 | infobox |
| Cinabarit | Štěpnost | dokonalá | 1.00 | infobox |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.