Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

Coltan

Coltan (short for columbite–tantalite and known industrially as tantalite) is a dull black metallic ore from which the elements niobium and tantalum are extracted. The niobium-dominant mineral in coltan is columbite (after niobium's original name columbium), and the tantalum-dominant mineral is tantalite.

Applications & Companies

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around Coltan. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Production and supply

TinSlagColombiaRwandaAustralia
43 related topics

Use and demand

Mobile phonesCapacitorsPacemakersSurface acoustic waveSAW filters
38 related topics

Mining in the Democratic Republic of Congo

Democratic Republic of CongoUN Security CouncilSmuggledUgandaBurundi
35 related topics

Environmental concerns

Soil erosionPollutesHydrologyEcologyMountain gorilla
10 related topics

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

Production and supply

Use and demand

Mining in the Democratic Republic of Congo

Environmental concerns

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.

Map overview Semantic statistics

Coltan

Nodes141
Edges140
Triples234
Avg. degree1.99
Density0.014184
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

Coltan

Top relations

related to Further reading · 114
Coltan → Accessing, Africa, Alain Michael, Analysing, Analytical, Analytical Fingerprint, Andrew, April, Archived, Area, Authority, Barceló, Bibcode, Biega National Park, Bilbao, Bioanalytical Chemistry, Bleischwitz, Blood Diamonds, Bloodworth, Bukama Territory
related to Production and supply · 36
Coltan → Approximately, Australia, Bernic Lake, Blue River, Brazil, British Columbia, Canada, Canadian, China, Colombia, Congo, Democratic Republic, Egypt, Ethiopia, Finland, Global Advanced Metals Pty, Globally, Greenland, However, In
related to Mining in the Democratic Republic of Congo · 34
Coltan → All, Austrian, Bayer, Burundi, Cabot Corporation, Companies, Conflicts, Congo, Congo's, Congolese, Democratic Republic, DRC, Eagle Wings Resources International, Forrest Group, In, Income, International Criminal Court, Klaus Werner, Mining, OM Group
related to Mining · 16
Coltan → About, But, Congo, Congolese, Farming, For, For Congolese, Masisi, Miners, No, North Kivu Province, Research, The, The Congolese, US, With
related to Resource curse · 10
Coltan → Certain, Congo, Congolese, Democratic Republic, High, Rwanda, Rwandan, The, Wealth, When
related to Use and demand · 8
Coltan → Airbus, China's, Dreamliner, More, MP3, Niobium, SAW, They
related to Health concerns · 4
Coltan → Also, Congolese, It, There

Important terminology Word statistics

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

Important terminology

mining tantalum congo democratic republic eastern rwanda congolese conflict mines 10 also rwandan doi minerals companies 2017 production resources drc

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
hearing aidsinstance ofand capacitors for small electronic devices0.80text
pacemakersinstance ofand capacitors for small electronic devices0.80text
and MP3 playersinstance ofand capacitors for small electronic devices0.80text
as well as in computer hard drivesinstance ofand capacitors for small electronic devices0.80text
automobile electronicsinstance ofand capacitors for small electronic devices0.80text
and surface acoustic wave SAW filters for mobile phones.Coltan is also used to make high-temperature alloys for jet enginesinstance ofand capacitors for small electronic devices0.80text
air-based turbinesinstance ofand capacitors for small electronic devices0.80text
and land-based turbinesinstance ofand capacitors for small electronic devices0.80text
militiasinstance ofBut organized mines may be run by corrupt groups0.80text
smuggling across the porous Rwandan borderinstance ofA UN panel estimated that the Coltan extraction causes problems that adjoin or overlap those caused by blood diamonds and uses similar methods0.80text
environmentalistsinstance ofA UN panel estimated that the Coltan extraction causes problems that adjoin or overlap those caused by blood diamonds and uses similar methods0.80text
human rights workers began to speak ofinstance ofA UN panel estimated that the Coltan extraction causes problems that adjoin or overlap those caused by blood diamonds and uses similar methods0.80text

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.