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Nephrite: History, Cultures & Regions

Nephrite is a variety of the calcium, magnesium, and iron-rich amphibole minerals tremolite, actinolite or ferro-actinolite (aggregates of which also make up one form of asbestos). The chemical formula for nephrite is Ca2(Mg, Fe)5Si8O22(OH)2. It is one of two different mineral species called jade. The other mineral species known as jade is jadeite, which…

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Nephrite topic overview

The analysis highlights History, Cultures and Regions as prominent areas in the source structure around Nephrite.

Related topics
84
Source areas
3
Connected nodes
87
Extracted relationships
363
Concept neighborhoods
27
Bridge connections
87

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.

History · 57 topics
Overview · 24 topics
Name · 3 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.

Absorption spectra
Vague line may be present at 500 nm, but rarely any lines. Rarely, in stones of exceptional gem quality, vague lines in the red part of the spectrum may be seen.
Birefringence
usually not detectable
Category
Inosilicate
Color
Translucent to opaque and often mottled. Light to dark green, yellow to brown, white, gray, black.
Crystal habit
massive
Crystal system
monoclinic

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

Name

History

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 Nephrite connects Entity context

The extracted context around Nephrite shows recurring relationship patterns in the source. For example, Nephrite → Abel Rémusat, Abuduwayiti, Acad, Acta Petrologica, Adamo, Alamas, Albert Saifer, American Anthropologist, American Museums, Amsterdam, Ancient, Anness Publishing, Archaeology Press, Art, Asia, Asian Earth Sciences, Association Française, Aufl, Australia, Av Another extracted example is Nephrite → BC, Black Jade, China, Chinese, During Neolithic, From, Hongshan, Inner Mongolia, Jade, Karakash, Khotan, Kingdom, Kuen-Lun, Lantian, Liangzhu, Liaoning, Ningshao, River, Rivers, Shaanxi. Use these groups to spot repeated connection types before inspecting the individual relationships.

Nephrite

Top relations

related to Further reading · 248
Nephrite → Abel Rémusat, Abuduwayiti, Acad, Acta Petrologica, Adamo, Alamas, Albert Saifer, American Anthropologist, American Museums, Amsterdam, Ancient, Anness Publishing, Archaeology Press, Art, Asia, Asian Earth Sciences, Association Française, Aufl, Australia, Av
related to Prehistoric and historic China · 29
Nephrite → BC, Black Jade, China, Chinese, During Neolithic, From, Hongshan, Inner Mongolia, Jade, Karakash, Khotan, Kingdom, Kuen-Lun, Lantian, Liangzhu, Liaoning, Ningshao, River, Rivers, Shaanxi
related to Prehistoric Taiwan and Southeast Asia · 23
Nephrite → BCE, Brunei, Cambodia, Carved, CE, East Asia, Eurasia, Filipinos, Indonesia, It, Malaysia, Maritime Jade Road, Participants, Philippines, Silk Road, Singapore, Some, Southeast, Taiwan, Taiwanese
related to Neolithic and Chalcolithic Europe · 19
Nephrite → Balkan, Balkans, BC, Bulgaria, Croatia, Early Neolithic, European, Greece, Italy, Jordanów, Late Chalcolithic, Late Neolithic, Poland, Romania, Sardinia, Serbia, Single, Such, Switzerland
related to Māori · 13
Nephrite → European, Greenstone Water, It, Māori, New Zealand, Ngāi Tahu, Te Wai Pounamu, The, The South Island, These, Treaty, Waitangi, Weapons
related to Name · 6
Nephrite → Ancient Greek, Greek, International Mineralogical Association, Latin, Spanish, The
related to Other names · 4
Nephrite → Beilstein, Besides, New Zealand, Tomb
Absorption spectra · 1
Nephrite → Vague line may be present at 500 nm, but rarely any lines. Rarely, in stones of exceptional gem quality, vague lines in the red part of the spectrum may be seen.
Birefringence · 1
Nephrite → usually not detectable
Category · 1
Nephrite → Inosilicate

Important terminology

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

Important terminology

jade chinese new china ed also neolithic white london zealand culture canada stone known mineral māori asia jadeite york minerals

Nephrite relationships Subject–Predicate–Object triples

TTTA extracted 363 structured relationships around Nephrite. Examples in this analysis include Nephrite → Absorption spectra → Vague line may be present at 500 nm, but rarely any lines. Rarely, in stones of exceptional gem quality, vague lines in the red part of the spectrum may be seen. and Nephrite → Birefringence → usually not detectable. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
NephriteAbsorption spectraVague line may be present at 500 nm, but rarely any lines. Rarely, in stones of exceptional gem quality, vague lines in the red part of the spectrum may be seen.1.00infobox
NephriteBirefringenceusually not detectable1.00infobox
NephriteCategoryInosilicate1.00infobox
NephriteColorTranslucent to opaque and often mottled. Light to dark green, yellow to brown, white, gray, black.1.00infobox
NephriteCrystal habitmassive1.00infobox
NephriteCrystal systemmonoclinic1.00infobox
NephriteFormulaCa2(Mg,Fe)5Si8O22(OH)21.00infobox
NephriteFracturesplintery to granular1.00infobox
NephriteLusterdull1.00infobox
NephriteMohs scale hardness6.0 to 6.51.00infobox
NephriteOptical propertiesDouble refractive with anomalous aggregate reaction1.00infobox
NephritePleochroismnone1.00infobox
NephritePolish lustervitreous to greasy1.00infobox
NephriteRefractive index1.606 to 1.632+0.009 −0.0061.00infobox
NephriteSpecific gravity2.95+0.15 −0.051.00infobox
NephriteUltraviolet fluorescenceinert1.00infobox
Nephriteis avariety of the calcium0.90text

Related concept clusters Concept neighborhoods

The concept neighborhoods around Nephrite bring nearby vocabulary together. In this analysis, examples include Jade, China and Also. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Nephrite
    • Jade
    • China
    • Also
    • Neolithic
    • Asia
    • Gems
    • Known
    • Minerals
    • Province
    • White
    • New
    • Tremolite
  • nephrite
    • Jade
    • China
    • Also
    • Neolithic
    • Asia
    • Gems
    • Known
    • Minerals
    • Province
    • White
    • New
    • Tremolite
  • jade
    • Nephrite
    • Chinese
    • Ed
    • China
    • New
    • White
    • Zealand
    • Ancient
    • Known
    • Culture
    • Stone
    • Jadeite
  • china
    • Province
    • Asia
    • Deposits
    • Neolithic
    • Nephrite
    • Opaque
    • Translucent
    • Southeast
    • Known
    • New
    • Culture
    • Zealand
  • jade burial suits
    • Nephrite
    • Chinese
    • Ed
    • China
    • New
    • White
    • Zealand
    • Ancient
    • Known
    • Culture
    • Stone
    • Jadeite
  • maritime jade road
    • Nephrite
    • Chinese
    • Ed
    • China
    • New
    • White
    • Zealand
    • Ancient
    • Known
    • Culture
    • Stone
    • Jadeite
  • new zealand
    • Pounamu
    • New
    • Zealand
    • York
    • Māori
    • Stone
    • China
    • Southeast
    • Used
    • Jade
    • Asia
    • Canada
  • neolithic europe
    • Southeast
    • Asia
    • Culture
    • Nephrite
    • Opaque
    • Translucent
    • Used
    • Deposits
    • Jades
    • Māori
    • Prehistoric
    • Province

Connections between topic areas Semantic bridges

For Nephrite, one of the stronger structural bridges in this analysis connects Nephrite with History. 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
NephriteHistory · splits 30 ⟂ 58
NephriteOverview · splits 63 ⟂ 25
NephriteName · splits 84 ⟂ 4

Map overview Semantic statistics

Nephrite

Nodes88
Edges87
Triples363
Avg. degree1.98
Density0.022727
Components1

Source & methodology

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

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

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