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Demantoid is the green gemstone variety of the mineral andradite, a member of the garnet group of minerals. Andradite is a calcium- and iron-rich garnet. The chemical formula is Ca3Fe2(SiO4)3 with chromium substitution as the cause of the demantoid green color. Ferric iron is the cause of the yellow in the stone.
The analysis highlights History, Appearance and Horsetails as prominent areas in the source structure around Demantoid.
Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.
Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
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The extracted context around Demantoid shows recurring relationship patterns in the source. For example, Demantoid → Although, Bobrovka River, Chrisolitka Rivers, Chusovaya, Communist Russia, Deposits, Ekaterinburg, Elizavetinskoye, German Demant, Miners, Peter Carl Fabergé, Poldnevaya, Possessing, Russia, Russia's, Ural Mountains Another extracted example is Demantoid → Iran, Italy, Russian. Use these groups to spot repeated connection types before inspecting the individual relationships.
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green color demantoids andradite garnet stones found inclusions dispersion gemstone minerals find also variety russian cause treatment russia emerald crystal
TTTA extracted 35 structured relationships around Demantoid. Examples in this analysis include Demantoid → Category → Minerals and Demantoid → Color → light to deep green. The table shows each extracted connection, where it came from and its confidence.
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Demantoid | Category | Minerals | 1.00 | infobox |
| Demantoid | Color | light to deep green | 1.00 | infobox |
| Demantoid | Common impurities | Cr | 1.00 | infobox |
| Demantoid | Crystal system | cubic | 1.00 | infobox |
| Demantoid | Dispersion | 0.057 | 1.00 | infobox |
| Demantoid | Formula | Ca3Fe2Si3O12 | 1.00 | infobox |
| Demantoid | Luster | adamantine | 1.00 | infobox |
| Demantoid | Mohs scale hardness | 6.5–7.0 | 1.00 | infobox |
| Demantoid | Optical properties | Single Refractive | 1.00 | infobox |
| Demantoid | Pleochroism | none | 1.00 | infobox |
| Demantoid | Refractive index | 1.880–1.889 | 1.00 | infobox |
| Demantoid | Specific gravity | 3.84 | 1.00 | infobox |
| Demantoid | is a | green gemstone variety of the mineral andradite | 0.90 | text |
| Demantoid | is a | green variety of andradite garnet | 0.90 | text |
The concept neighborhoods around Demantoid bring nearby vocabulary together. In this analysis, examples include Green, Andradite and Color. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
For Demantoid, one of the stronger structural bridges in this analysis connects Demantoid with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
TTTA analyzes the structure around Demantoid to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Appearance & Horsetails, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
Source: Wikipedia — Demantoid · EN edition · Analysis: TopicsToTalkAbout