Annite

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Annite topic overview

The analysis highlights Overview and Properties as prominent areas in the source structure around Annite.

Related topics: 18
Source areas: 2
Connected nodes: 20
Extracted relationships: 38
Concept neighborhoods: 13
Bridge connections: 20

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.

Overview · 17 topics

Properties · 1 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.

2V angle: Calculated: 12° to 36°
Category: Phyllosilicate minerals
Cleavage: Perfect in one direction {001}
Color: Brown to black
Crystal class: Prismatic (2/m) (same H-M symbol)
Crystal habit: Usually in "blocks" of thin sheets or as aggregations of foliated thin scales. Includes large, well formed pseudohexagonal prisms up to 12 cm across and 15 cm long.

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
Mica
Iron
Biotite
Magnesium
Phlogopite
Twins Crystal twinning
Cape Ann
Rockport Rockport, Massachusetts
Essex County Essex County, Massachusetts
Pikes Peak
El Paso County El Paso County, Colorado
Igneous Igneous rock
Metamorphic rocks
Fluorite
Zircon
Type locality Type locality (geology)

Properties

Pleochroic

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 Annite connects Entity context

The extracted context around Annite shows recurring relationship patterns in the source. For example, Annite → However, It, Minerals, Relief, The, When Another extracted example is Annite → Because, More, This. Use these groups to spot repeated connection types before inspecting the individual relationships.

Top relations

related to Properties · 6

Annite → However, It, Minerals, Relief, The, When

related to Uses · 3

Annite → Because, More, This

is a · 2

Annite → iron end member of the biotite mica group, phyllosilicate mineral in the mica family

2V angle · 1

Annite → Calculated: 12° to 36°

Category · 1

Annite → Phyllosilicate minerals

Cleavage · 1

Annite → Perfect in one direction {001}

Color · 1

Annite → Brown to black

Crystal class · 1

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

Crystal habit · 1

Annite → Usually in "blocks" of thin sheets or as aggregations of foliated thin scales. Includes large, well formed pseudohexagonal prisms up to 12 cm across and 15 cm long.

Crystal system · 1

Annite → Monoclinic

Important terminology

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

Important terminology

mineral mica magnesium biotite group cleavage properties phyllosilicate relief light also brown county occurs monoclinic twins igneous minerals index formula

Annite relationships Subject–Predicate–Object triples

TTTA extracted 38 structured relationships around Annite. Examples in this analysis include Annite → 2V angle → Calculated: 12° to 36° and Annite → Category → Phyllosilicate minerals. The table shows each extracted connection, where it came from and its confidence.

Subject	Predicate	Object	Confidence	Src
Annite	2V angle	Calculated: 12° to 36°	1.00	infobox
Annite	Category	Phyllosilicate minerals	1.00	infobox
Annite	Cleavage	Perfect in one direction {001}	1.00	infobox
Annite	Color	Brown to black	1.00	infobox
Annite	Crystal class	Prismatic (2/m) (same H-M symbol)	1.00	infobox
Annite	Crystal habit	Usually in "blocks" of thin sheets or as aggregations of foliated thin scales. Includes large, well formed pseudohexagonal prisms up to 12 cm across and 15 cm long.	1.00	infobox
Annite	Crystal system	Monoclinic	1.00	infobox
Annite	Diaphaneity	Translucent to transparent	1.00	infobox
Annite	Formula	KFe32+AlSi3O10(OH,F)2	1.00	infobox
Annite	Fracture	Uneven	1.00	infobox
Annite	Group	Mica group, trioctahedral mica group, biotite subgroup	1.00	infobox
Annite	IMA symbol	Ann	1.00	infobox
Annite	Luster	Submetallic to vitreous; pearly on cleavage surfaces	1.00	infobox
Annite	Mohs scale hardness	2.5–3	1.00	infobox
Annite	Optical properties	Biaxial (−)	1.00	infobox
Annite	Other characteristics	Diagnostic: occurrence: in magnesium poor igneous and metamorphic rocks.	1.00	infobox
Annite	Pleochroism	X = brown; Y = Z = dark brown	1.00	infobox
Annite	Refractive index	nα = 1.625 – 1.631 nβ = 1.690 nγ = 1.691 – 1.697	1.00	infobox
Annite	Space group	C2/m	1.00	infobox
Annite	Specific gravity	Approximately 3.3	1.00	infobox
Annite	Streak	Brownish white	1.00	infobox
Annite	Strunz classification	9.EC.20	1.00	infobox
Annite	Tenacity	Flexible	1.00	infobox
Annite	Twinning	Contact twins with composition surface on {001} and twin axis {310}	1.00	infobox
Annite	Unit cell	a = 5.39, b = 9.33 c = 10.29 [Å]; β = 100°; Z = 2	1.00	infobox
Annite	is a	phyllosilicate mineral in the mica family	0.90	text
Annite	is a	iron end member of the biotite mica group	0.90	text

Related concept clusters Concept neighborhoods

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

Annite
- Mica
- Biotite
- Group
- Ann
- Monoclinic
- Phyllosilicate
- Brown
- Cleavage
- Minerals
- Properties
- Mineral
- Alsi3o10
annite
- Mica
- Biotite
- Group
- Ann
- Monoclinic
- Phyllosilicate
- Brown
- Cleavage
- Minerals
- Properties
- Mineral
- Alsi3o10
magnesium
- Igneous
- Metamorphic
- Rocks
- Axis
- Composition
- Contact
- Occurrence
- Occurs
- Surface
- Twin
- Twins
- Brown
mica
- Biotite
- Group
- Phyllosilicate
- Properties
- Alsi3o10
- Ann
- Formula
- Kfe32
- Monoclinic
- Oh
- References
- Brown
cape ann
- County
- Formula
- Kfe32
- Monoclinic
- Occurrence
- Oh
- Phyllosilicate
- References
- Biotite
- Brown
- Group
- Minerals
twins
- Axis
- Composition
- Contact
- Surface
- Twin
- Igneous
- Metamorphic
- Occurrence
- Rocks
- Brown
- Cleavage
- Index
biotite
- Group
- Mica
- Properties
- Ann
- Formula
- Kfe32
- Monoclinic
- Oh
- Phyllosilicate
- References
- Brown
- Magnesium
igneous
- Metamorphic
- Rocks
- Magnesium
- Occurrence
- Occurs
- Surface
- Twin
- Twins
- Brown
- Index
- Properties

Connections between topic areas Semantic bridges

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

Min side: 3

Annite — Overview · splits 3 ⟂ 18

Map overview Semantic statistics

Annite

Nodes21

Edges20

Triples38

Avg. degree1.9

Density0.095238

Components1

Source & methodology

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

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