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Monazite

Monazite is a primarily reddish-brown phosphate mineral that contains rare-earth elements. Due to variability in composition, monazite is considered a group of minerals. The most common species of the group is monazite-(Ce), that is, the cerium-dominant member of the group.

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Types

30 related topics

Mining history

15 related topics

Mineralization and extraction

17 related topics

Structure

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Key facts & relationships

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2V angle
10–26°
Category
Phosphate minerals
Cleavage
Distinct on poor on
Color
Orange, purple, reddish brown, brown, pale yellow, pink, blue, green, gray,
Crystal class
Prismatic (2/m) (same H–M symbol)
Crystal habit
Commonly as prismatic or wedge-shaped crystals

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Overview

Types

Structure

Mining history

Mineralization and extraction

Containing nuclear waste

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Map overview Semantic statistics

Monazite

Nodes79
Edges78
Triples101
Avg. degree1.97
Density0.025316
Components1

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Monazite

Top relations

related to External links · 15
Monazite → Archives, Brazil, British Monazite Mine, Durwood Barbour Collection, Matter Archived, MonaziteAn Unusual State Of, North Carolina Collection Photographic, North Carolina Postcards, P077, Roald Hoffman, Shelby, UNC-Chapel Hillradiation, Wayback Machine Poem, Wilson Library, YouTube
related to Mineralization and extraction · 14
Monazite → American Potash, Because, Bolivian, Ce, Chemical Corporation, Europium, However, Lindsay Chemical Division, South African, Steenkampskraal, These, Thorium, Typically, Very
related to history · 12
Monazite → After World War II, Brazil, Brazilian, Carl Auer, India, Indian, North Carolina, South Africa, United States, Von Welsbach, Welsbach, World War II
related to Types · 9
Monazite → Ce, Gd, La, Nd, PO4, PO4monazite, Sm, Th, There
related to Containing nuclear waste · 8
Monazite → In, Oak Ridge National Laboratory, One, Results, Savannah River, Tennessee, The, This
related to Extraction of rare-earth metals from monazite ore · 6
Monazite → As, Depending, Products, RE, The, While
related to Structure · 5
Monazite → All, III, PbCrO4, PO4, The
is a · 3
Monazite → far more effective material for containing radioactive waste due to its low leaching rates and slow corrosion rate.In a second study natural monazite is found to have an enhance…, important ore for thorium, primarily reddish-brown phosphate mineral that contains rare-earth elements
related to Acid cracking · 3
Monazite → One, The, Variations
2V angle · 1
Monazite → 10–26°

Important terminology Word statistics

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Important terminology

thorium uranium ore radioactive lanthanides due phosphate acid rare-earth minerals deposits ce monazite- group process elements waste common crystals amounts

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Monazite2V angle10–26°1.00infobox
MonaziteCategoryPhosphate minerals1.00infobox
MonaziteCleavageDistinct on poor on1.00infobox
MonaziteColorOrange, purple, reddish brown, brown, pale yellow, pink, blue, green, gray,1.00infobox
MonaziteCrystal classPrismatic (2/m) (same H–M symbol)1.00infobox
MonaziteCrystal habitCommonly as prismatic or wedge-shaped crystals1.00infobox
MonaziteCrystal systemMonoclinic1.00infobox
MonaziteDiaphaneityTranslucent to opaque1.00infobox
MonaziteFormula.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…1.00infobox
MonaziteFractureConchoidal to uneven1.00infobox
MonaziteLusterResinous, vitreous to adamantine1.00infobox
MonaziteMagnetismParamagnetic, moderately strongly1.00infobox
MonaziteMelting point1900–21001.00infobox
MonaziteMohs scale hardness5.0–5.51.00infobox
MonaziteOptical propertiesBiaxial (+)1.00infobox
MonaziteOther characteristicsRadioactive if uranium and/or thorium-rich, dull brown cathodoluminescence, paramagnetic1.00infobox
MonazitePleochroismWeak1.00infobox
MonaziteRefractive indexnα = 1.770–1.793 nβ = 1.778–1.800 nγ = 1.823–1.8601.00infobox
MonaziteSpace groupP21/n1.00infobox
MonaziteSpecific gravity4.6–5.7 (4.98–5.43 for monazite-Ce)1.00infobox
MonaziteStreakWhite1.00infobox
MonaziteStrunz classification8.AD.501.00infobox
MonaziteTwinningContact twins common1.00infobox
Monaziteis aprimarily reddish-brown phosphate mineral that contains rare-earth elements0.90text
Monaziteis aimportant ore for thorium0.90text
Monaziteis afar more effective material for containing radioactive waste due to its low leaching rates and slow corrosion rate.In a second study natural monazite is found to have an enhance…0.90text

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