Biotite

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Biotite topic overview

The analysis highlights Applications, Properties and Occurrence as prominent areas in the source structure around Biotite.

Related topics: 84
Source areas: 4
Connected nodes: 90
Extracted relationships: 61
Concept neighborhoods: 21
Bridge connections: 90

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.

Properties · 29 topics

Overview · 28 topics

Occurrence · 23 topics

Uses · 4 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.

Birefringence: δ = 0.03–0.07
Category: Phyllosilicate minerals
Cleavage: Perfect on the {001}
Color: Dark brown, greenish-brown, blackish-brown, yellow
Crystal class: Prismatic (2/m) (same H-M symbol)
Crystal habit: Massive to platy

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.

Overview

Phyllosilicate Silicate minerals
Minerals Mineral
Mica
Chemical formula
Solid-solution Solid solution
Iron
Endmember
Annite
Magnesium
Phlogopite
Aluminium
Siderophyllite
Eastonite Eastonite?action=edit&redlink=1
International Mineralogical Association
In the field Field research
J.F.L. Hausmann Johann Friedrich Ludwig Hausmann
Physicist
Jean-Baptiste Biot
Optical properties Optical mineralogy
Sheet silicates Sheet silicate
Silicon
Oxygen
Hydrogen
Potassium
Ions Ion
Haematite
Muscovite
Rocks Rock (geology)

Properties

Basal cleavage
Lamellae Lamellae (materials)
Monoclinic crystal system
Tabular Tabular habit
Prismatic Prism (geometry)
Pseudohexagonal Hexagonal (crystal system)
Weathered Weathering
Luster Lustre (mineralogy)
Streak Streak (mineralogy)
Mohs scale of mineral hardness
Dissolves Solvation
Acid
Alkaline Base (chemistry)
Aqueous solutions Aqueous solution
Dissolution Dissolution (chemistry)
PH
Anisotropic Anisotropy
001 Miller index
Thin section
Relief Optical relief
Pleochroism
Birefringence
Cross-polarized light Polarized light microscopy
Bird's eye maple extinction Bird's eye maple (mineral property)
Isotropic
Orthogneiss
Rutile
Cations Cation
Brucite

Occurrence

Uses

Bibliography

ISBN ISBN (identifier)

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Biotite connects Entity context

The extracted context around Biotite shows recurring relationship patterns in the source. For example, Biotite → An, Bancroft, Dolomites, For, It, Members, Monzoni, Mount Vesuvius, New England, North Carolina USA, Ontario Canada, Other, Sudbury, Virginia Another extracted example is Biotite → Although, However, It, Like, Mohs, The, When. Use these groups to spot repeated connection types before inspecting the individual relationships.

Top relations

related to Occurrence · 14

Biotite → An, Bancroft, Dolomites, For, It, Members, Monzoni, Mount Vesuvius, New England, North Carolina USA, Ontario Canada, Other, Sudbury, Virginia

related to Properties · 7

Biotite → Although, However, It, Like, Mohs, The, When

related to Structure · 7

Biotite → In, It, Like, The, The TOT, TOT, TOT-c

is a · 3

Biotite → common group of phyllosilicate minerals within the mica group, essential phenocryst in some varieties of lamprophyre, trioctahedral sheet having the structure of a sheet of the mineral brucite

related to Optical properties · 3

Biotite → Basal, In, Under

Birefringence · 1

Biotite → δ = 0.03–0.07

Category · 1

Biotite → Phyllosilicate minerals

Cleavage · 1

Biotite → Perfect on the {001}

Color · 1

Biotite → Dark brown, greenish-brown, blackish-brown, yellow

Crystal class · 1

Biotite → Prismatic (2/m) (same H-M symbol)

Important terminology

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

Important terminology

mica sheets sheet iron ions magnesium group structure thin crystal oxygen form rocks found section tot many minerals trioctahedral cleavage

Biotite relationships Subject–Predicate–Object triples

TTTA extracted 61 structured relationships around Biotite. Examples in this analysis include Biotite → Birefringence → δ = 0.03–0.07 and Biotite → Category → Phyllosilicate minerals. The table shows each extracted connection, where it came from and its confidence.

Subject	Predicate	Object	Confidence	Src
Biotite	Birefringence	δ = 0.03–0.07	1.00	infobox
Biotite	Category	Phyllosilicate minerals	1.00	infobox
Biotite	Cleavage	Perfect on the {001}	1.00	infobox
Biotite	Color	Dark brown, greenish-brown, blackish-brown, yellow	1.00	infobox
Biotite	Crystal class	Prismatic (2/m) (same H-M symbol)	1.00	infobox
Biotite	Crystal habit	Massive to platy	1.00	infobox
Biotite	Crystal system	Monoclinic	1.00	infobox
Biotite	Diaphaneity	Transparent to translucent to opaque	1.00	infobox
Biotite	Dispersion	r < v (Fe rich); r > v weak (Mg rich)	1.00	infobox
Biotite	Formula	.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:block;text-align:l…	1.00	infobox
Biotite	Fracture	Micaceous	1.00	infobox
Biotite	Group	Mica group, trioctahedral mica group, biotite subgroup	1.00	infobox
Biotite	IMA symbol	Bt	1.00	infobox
Biotite	Luster	Vitreous to pearly	1.00	infobox
Biotite	Manganophyllite	K(Fe,Mg,Mn)3AlSi3O10(OH)2	1.00	infobox
Biotite	Mohs scale hardness	2.5–3.0	1.00	infobox
Biotite	Optical properties	Biaxial (-)	1.00	infobox
Biotite	Pleochroism	Strong	1.00	infobox
Biotite	Refractive index	nα = 1.565–1.625 nβ = 1.605–1.675 nγ = 1.605–1.675	1.00	infobox
Biotite	Space group	C2/m	1.00	infobox
Biotite	Specific gravity	2.7–3.3	1.00	infobox
Biotite	Streak	White	1.00	infobox
Biotite	Tenacity	Brittle to flexible, elastic	1.00	infobox
Biotite	Twinning	Common on the , less common on the {001}	1.00	infobox
Biotite	Ultraviolet fluorescence	None	1.00	infobox
Biotite	is a	common group of phyllosilicate minerals within the mica group	0.90	text
Biotite	is a	trioctahedral sheet having the structure of a sheet of the mineral brucite	0.90	text
Biotite	is a	essential phenocryst in some varieties of lamprophyre	0.90	text

Related concept clusters Concept neighborhoods

The concept neighborhoods around Biotite bring nearby vocabulary together. In this analysis, examples include Structure, Thin and Found. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

Biotite
- Structure
- Thin
- Found
- Section
- Mica
- Sheets
- Basal
- Group
- Light
- Rocks
- Crystal
- Sheet
biotite
- Structure
- Thin
- Found
- Section
- Mica
- Sheets
- Basal
- Group
- Light
- Rocks
- Crystal
- Sheet
mica
- Optical
- Phyllosilicate
- Properties
- Also
- Dark
- Minerals
- Oh
- White
- Form
- Rocks
- Trioctahedral
- Iron
basal cleavage
- Thin
- Basal
- Cleavage
- Light
- Section
- Crystal
- Optical
- Phyllosilicate
- Properties
- Dark
- Minerals
- Oh
monoclinic crystal system
- Structure
- Basal
- Optical
- Phyllosilicate
- Properties
- Dark
- Minerals
- Oh
- White
- Brown
- Cleavage
- Color
minerals
- Phyllosilicate
- Oh
- Mica
- Optical
- Properties
- Dark
- Potassium
- Used
- White
- Black
- Brown
- Cleavage
iron
- Magnesium
- Trioctahedral
- Also
- Form
- Sheet
- Rocks
- Mica
- Structure
- Oh
- Potassium
- Silicon
- Used
magnesium
- Trioctahedral
- Sheet
- Rocks
- Found
- Structure
- Also
- Oh
- Potassium
- Silicon
- Sheets
- Oxygen
- Tot

Connections between topic areas Semantic bridges

For Biotite, one of the stronger structural bridges in this analysis connects Biotite with Properties. 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

Biotite — Properties · splits 61 ⟂ 30

Biotite — Overview · splits 62 ⟂ 29

Biotite — Occurrence · splits 67 ⟂ 24

Biotite — Uses · splits 86 ⟂ 5

Map overview Semantic statistics

Biotite

Nodes91

Edges90

Triples61

Avg. degree1.98

Density0.021978

Components1

Source & methodology

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

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