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Anorthite is the calcium endmember of the plagioclase feldspar mineral series. The chemical formula of pure anorthite is CaAl2Si2O8. Anorthite is found in igneous rocks.
The analysis highlights Occurrence, Mineralogy and Overview as prominent areas in the source structure around Anorthite.
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.
Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
The extracted context around Anorthite shows recurring relationship patterns in the source. For example, Anorthite → An, An100, Ann, At, Ca, Earth, Fe2, Lunar, Na, NaAlSi3O8, Pure, The, This Another extracted example is Anorthite → Apollo, Ca-Al-rich, Fassa, Genesis Rock, Goldich, It, Italy, Its, Monte Somma, Valle, Wild. Use these groups to spot repeated connection types before inspecting the individual relationships.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
plagioclase series rocks formula also endmember pure lunar feldspar p1 caal2si2o8 references rare mineral igneous crystal albite minerals na ca
TTTA extracted 53 structured relationships around Anorthite. Examples in this analysis include Anorthite → 2V angle → 78° to 83° and Anorthite → Birefringence → δ = 0.012–0.013. The table shows each extracted connection, where it came from and its confidence.
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Anorthite | 2V angle | 78° to 83° | 1.00 | infobox |
| Anorthite | Birefringence | δ = 0.012–0.013 | 1.00 | infobox |
| Anorthite | Category | Tectosilicate minerals | 1.00 | infobox |
| Anorthite | Cleavage | Perfect good poor | 1.00 | infobox |
| Anorthite | Color | White, grayish, reddish | 1.00 | infobox |
| Anorthite | Crystal class | Pinacoidal (1) | 1.00 | infobox |
| Anorthite | Crystal habit | Anhedral to subhedral granular | 1.00 | infobox |
| Anorthite | Crystal system | Triclinic | 1.00 | infobox |
| Anorthite | Diaphaneity | Transparent to translucent | 1.00 | infobox |
| Anorthite | Formula | CaAl2Si2O8 or .mw-parser-output .template-chem2-su{display:inline-block;font-size:80%;line-height:1;vertical-align:-0.35em}.mw-parser-output .template-chem2-su>span{display:bloc… | 1.00 | infobox |
| Anorthite | Formula mass | 278.203 g·mol−1 | 1.00 | infobox |
| Anorthite | Fracture | Uneven to conchoidal | 1.00 | infobox |
| Anorthite | Group | Feldspar group | 1.00 | infobox |
| Anorthite | IMA status | Grandfathered (1823) | 1.00 | infobox |
| Anorthite | IMA symbol | An | 1.00 | infobox |
| Anorthite | Luster | Vitreous | 1.00 | infobox |
| Anorthite | Melting point | 1550 ± 2°C | 1.00 | infobox |
| Anorthite | Mohs scale hardness | 6 | 1.00 | infobox |
| Anorthite | Optical properties | Biaxial (−) | 1.00 | infobox |
| Anorthite | Refractive index | nα = 1.573–1.577 nβ = 1.580–1.585 nγ = 1.585–1.590 | 1.00 | infobox |
| Anorthite | Series | Plagioclase feldspar series | 1.00 | infobox |
| Anorthite | Space group | P1 (no. 2) | 1.00 | infobox |
| Anorthite | Specific gravity | 2.72–2.75 | 1.00 | infobox |
| Anorthite | Streak | White | 1.00 | infobox |
| Anorthite | Strunz classification | 9.FA.35 | 1.00 | infobox |
| Anorthite | Tenacity | Brittle | 1.00 | infobox |
| Anorthite | Twinning | Common | 1.00 | infobox |
| Anorthite | Unit cell | a = 8.1768, b = 12.8768 c = 14.169 [Å]; α = 93.17° β = 115.85°, γ = 92.22°; Z = 8 | 1.00 | infobox |
| Anorthite | is a | calcium endmember of the plagioclase feldspar mineral series | 0.90 | text |
The concept neighborhoods around Anorthite bring nearby vocabulary together. In this analysis, examples include Plagioclase, Endmember and Formula. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
For Anorthite, one of the stronger structural bridges in this analysis connects Anorthite with Occurrence. 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 Anorthite to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Occurrence, Mineralogy & Overview, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
Source: Wikipedia — Anorthite · EN edition · Analysis: TopicsToTalkAbout