hafnon

Also known as IMA1974-018

Hafnon is a hafnium nesosilicate mineral with the idealized chemical formula . It is the mineral form of hafnium silicate and one of the few known minerals with essential hafnium.

In the Vinony graph

Vinony's link graph records 10 inbound references to hafnon, and connects out to silicate mineral, Canada and Zimbabwe.

Vinony files it under Minerals in space group 141, Nesosilicates and Tetragonal minerals.

Vinony links it to 11 Wikipedia language editions.

Key facts

Mineral.name: Hafnon
Mineral.image: Hafnon.jpg
Mineral.caption: Very small brown single crystals of hafnon from Bernic Lake, Lac-du-Bonnet District, Manitoba, Canada
Mineral.category: Nesosilicates
Mineral.IMAsymbol: Haf
Mineral.strunz: 09.AD.30
Mineral.system: Tetragonal
Mineral.dana: 51.05.02.02
Mineral.class: Ditetragonal Dipyramidal (4/mmm ) H-M symbol: (4/m 2/m 2/m)
Mineral.symmetry: I41/amd
Mineral.unit cell: a = 6.5725(7) Å, c = 5.9632(4) Å=; Z = 4
Mineral.habit: Euhedral to irregular crystals
Mineral.cleavage: {???} Indistinct
Mineral.mohs: 7.5
Mineral.luster: Vitreous
Mineral.opticalprop: Uniaxial (+)
Mineral.refractive: nω = 1.930 - 1.970 nε = 1.980 - 2.030
Mineral.birefringence: δ = 0.050

via Wikipedia infobox

Wikidata facts

Named after: hafnium
Image: Hafnon.jpg

Show 7 more facts

crystal system: tetragonal crystal system
Mohs' hardness: 7.5
Nickel-Strunz '10th ed', review of (9th ed/ 2009 update): 9.AD.30
chemical formula: HfSiO₄
Nickel-Strunz 9th edition (updated 2009): 9.AD.30
Commons category: Hafnon
IMA Mineral Symbol: Haf

Sources (2)

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Encyclopedic overview

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Contents

Chemistry
References

{{Infobox mineral |name=Hafnon |image=Hafnon.jpg |caption=Very small brown single crystals of hafnon from Bernic Lake, Lac-du-Bonnet District, Manitoba, Canada |category=Nesosilicates |formula= | IMAsymbol = Haf|strunz=09.AD.30|system=Tetragonal|dana=51.05.02.02|class=Ditetragonal Dipyramidal (4/mmm ) H-M symbol: (4/m 2/m 2/m)|symmetry=I41/amd|unit cell=a = 6.5725(7) Å, c = 5.9632(4) Å=; Z = 4|habit=Euhedral to irregular crystals|cleavage={???} Indistinct|mohs=7.5|luster=Vitreous|opticalprop=Uniaxial (+)|refractive=nω = 1.930 - 1.970 nε = 1.980 - 2.030|birefringence=δ = 0.050|streak=grey white|density=6.97|diaphaneity=Transparent|impurities=Often zoned with zircon. Forms part of zircon-hafnon series|colour=Orange-red,brownish yellow, rarely colourless}}

Hafnon is a hafnium nesosilicate mineral with the idealized chemical formula . It is the mineral form of hafnium silicate and one of the few known minerals with essential hafnium.

Excerpted from Wikipedia’s “hafnon” article, available under the CC BY-SA 4.0 licence.