Cordierite

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Cordierite topic overview

The analysis highlights Applications and Standards as prominent areas in the source structure around Cordierite.

Related topics: 50
Source areas: 6
Connected nodes: 56
Extracted relationships: 58
Related term clusters: 16
Bridge connections: 56

What this topic covers Research coverage

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.

Occurrence · 19 topics

Overview · 12 topics

Gem variety · 8 topics

Applications · 5 topics

Name and discovery · 4 topics

Commercial use · 2 topics

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.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Category: Cyclosilicate
Cleavage: Fair on {100}, poor on {001} and {010}
Color: Blue, smoky blue, bluish violet; greenish, yellowish brown, gray; colorless to very pale blue in thin section in transmitted light
Crystal class: Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m)
Crystal habit: Pseudo-hexagonal prismatic twins, as imbedded grains, and massive
Crystal system: Orthorhombic

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Cordierite

12Mineralogy · Gemology · Magnesium

23Níjar, Almería · Spain · Geologist

3Gemstone · Pleochroism · Polarization (waves)

3Fabian Steinheil · Quartz · Prasiolite

Explore all related topics Closing gaps

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.

For the semantics nerds

You can skip this section if you’re here for content ideas and keyword inspiration.

Advanced semantic analysis

How Cordierite connects Entity context

The extracted context around Cordierite shows recurring relationship patterns in the source. For example, Cordierite → Another, Australia, Brazil, Burma, Canada, Connecticut, Gem, Greek, India, Iolite, Light, Madagascar, Namibia, Northern Territory, Northwest Territories, Sri Lanka, Tanzania, United States, US, Vikings Another extracted example is Cordierite → Almería, French, Louis Cordier, Níjar, Spain. Use these groups to spot repeated connection types before inspecting the individual relationships.

Top relations

related to Gem variety · 23

Cordierite → Another, Australia, Brazil, Burma, Canada, Connecticut, Gem, Greek, India, Iolite, Light, Madagascar, Namibia, Northern Territory, Northwest Territories, Sri Lanka, Tanzania, United States, US, Vikings

related to Name and discovery · 5

Cordierite → Almería, French, Louis Cordier, Níjar, Spain

related to Occurrence · 4

Cordierite → Alteration, Cornwall, Geevor Tin Mine, Two

Category · 1

Cordierite → Cyclosilicate

Cleavage · 1

Cordierite → Fair on {100}, poor on {001} and {010}

Color · 1

Cordierite → Blue, smoky blue, bluish violet; greenish, yellowish brown, gray; colorless to very pale blue in thin section in transmitted light

Crystal class · 1

Cordierite → Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m)

Crystal habit · 1

Cordierite → Pseudo-hexagonal prismatic twins, as imbedded grains, and massive

Crystal system · 1

Cordierite → Orthorhombic

Dana classification · 1

Cordierite → 61.02.01.01 Cordierite group

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

iolite used also pleochroism catalytic converters blue violet quartz name iron cyclosilicate thermal exists gemstone mg fe variety applications light

Cordierite relationships Subject–Predicate–Object triples

TTTA extracted 58 structured relationships around Cordierite. Examples in this analysis include Cordierite → Category → Cyclosilicate and Cordierite → Cleavage → Fair on {100}, poor on {001} and {010}. The table shows each extracted connection, where it came from and its confidence.

Subject	Predicate	Object	Confidence	Src
Cordierite	Category	Cyclosilicate	1.00	infobox
Cordierite	Cleavage	Fair on {100}, poor on {001} and {010}	1.00	infobox
Cordierite	Color	Blue, smoky blue, bluish violet; greenish, yellowish brown, gray; colorless to very pale blue in thin section in transmitted light	1.00	infobox
Cordierite	Crystal class	Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m)	1.00	infobox
Cordierite	Crystal habit	Pseudo-hexagonal prismatic twins, as imbedded grains, and massive	1.00	infobox
Cordierite	Crystal system	Orthorhombic	1.00	infobox
Cordierite	Dana classification	61.02.01.01 Cordierite group	1.00	infobox
Cordierite	Diagnostic features	Resembles quartz, can be distinguished by pleochroism. Can be distinguished from corundum by its lower hardness	1.00	infobox
Cordierite	Diaphaneity	Transparent to translucent	1.00	infobox
Cordierite	Fracture	Subconchoidal	1.00	infobox
Cordierite	Fusibility	on thin edges	1.00	infobox
Cordierite	IMA symbol	Crd	1.00	infobox
Cordierite	Luster	Greasy or vitreous	1.00	infobox
Cordierite	Mohs scale hardness	7–7.5	1.00	infobox
Cordierite	Optical properties	Usually optically (-), sometimes (+); 2V = 0–90°	1.00	infobox
Cordierite	Pleochroism	X = pale yellow, green; Y = violet, blue-violet; Z = pale blue	1.00	infobox
Cordierite	Refractive index	nα = 1.527 – 1.560 nβ = 1.532 – 1.574 nγ = 1.538 – 1.578 Indices increase with Fe content.	1.00	infobox
Cordierite	Space group	Cccm	1.00	infobox
Cordierite	Specific gravity	2.57–2.66	1.00	infobox
Cordierite	Streak	White	1.00	infobox
Cordierite	Strunz classification	9.CJ.10	1.00	infobox
Cordierite	Tenacity	Brittle	1.00	infobox
Cordierite	Twinning	Common on {110}, {130}, simple, lamellar, cyclical	1.00	infobox
Cordierite	Unit cell	a = 17.079 Å, b = 9.730 Å, c = 9.356 Å; Z = 4	1.00	infobox

Related concept clusters Related term clusters

The concept neighborhoods around Cordierite bring nearby vocabulary together. In this analysis, examples include Occurs, Converters and Thermal. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

Cordierite
- Occurs
- Converters
- Thermal
- Also
- Catalytic
- Used
- Applications
- Cyclosilicate
- Fe
- Formula
- Hardness
- Iron
cordierite
- Occurs
- Converters
- Thermal
- Also
- Catalytic
- Used
- Applications
- Cyclosilicate
- Fe
- Formula
- Hardness
- Iron
applications
- Cyclosilicate
- Fe
- Formula
- Gem
- Hardness
- Mg
- Pale
- References
- Temperature
- Thin
- Use
- Common
cyclosilicate
- Applications
- Fe
- Formula
- Gem
- Hardness
- Iron
- Mg
- Pale
- References
- Thin
- Use
- Common
fe
- Formula
- Mg
- Applications
- Gem
- Hardness
- Iron
- Pale
- References
- Thin
- Use
- Common
- Light
name and discovery
- Another
- Blue
- Pleochroism
- Violet
- Gem
- Gemstone
- Hardness
- Mg
- Pale
- References
- Thin
- Use
gem variety
- Light
- Blue
- Violet
- Hardness
- Mg
- Pale
- References
- Thin
- Use
- Common
- Gemstone
- Variety
mg
- Hardness
- Pale
- References
- Thin
- Use
- Common
- Light
- Variety
- Blue
- Name
- Violet

Connections between topic areas Semantic bridges

For Cordierite, one of the stronger structural bridges in this analysis connects Cordierite 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.

Min side: 3

Cordierite — Occurrence · splits 37 ⟂ 20

Cordierite — Overview · splits 44 ⟂ 13

Cordierite — Gem variety · splits 48 ⟂ 9

Cordierite — Applications · splits 51 ⟂ 6

Cordierite — Name and discovery · splits 52 ⟂ 5

Cordierite — Commercial use · splits 54 ⟂ 3

Map overview Semantic statistics

Cordierite

Nodes57

Edges56

Triples58

Avg. degree1.96

Density0.035088

Components1

Source & methodology

TTTA analyzes the structure around Cordierite to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Applications & Standards, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Cordierite · EN edition · Analysis: TopicsToTalkAbout

Cordierite: Applications & Standards

Cordierite topic overview

What this topic covers Research coverage

Key facts & relationships

Start with your topic. Discover where to go next.

Questions to explore

Explore all related topics Closing gaps

Overview

Name and discovery

Occurrence

Commercial use

Gem variety

Applications

For the semantics nerds

Advanced semantic analysis

How Cordierite connects Entity context

Cordierite

Top relations

Important terminology

Important terminology

Cordierite relationships Subject–Predicate–Object triples

Related concept clusters Related term clusters

Connections between topic areas Semantic bridges

Map overview Semantic statistics

Cordierite

Source & methodology