larnite
Sign in to saveLarnite is a calcium silicate mineral with the formula . It is the calcium member of the olivine group of minerals.
Key facts
- Mineral.name
- Larnite
- Mineral.category
- Nesosilicates
- Mineral.IMAsymbol
- Lrn
- Mineral.strunz
- 9.AD.05
- Mineral.system
- Monoclinic
- Mineral.class
- Prismatic (2/m) (same H-M symbol)
- Mineral.symmetry
- P21/n
- Mineral.unit cell
- a = 5.5, b = 6.74 c = 9.29 [Å]; β = 94.59°; Z = 4
- Mineral.color
- White to gray
- Mineral.habit
- Flattened anhedral grains; massive
- Mineral.twinning
- Common, polysynthetic parallel to {100}
- Mineral.cleavage
- Good on {100}, imperfect on {010}
- Mineral.mohs
- 6
- Mineral.luster
- Vitreous
- Mineral.streak
- White
- Mineral.diaphaneity
- Transparent to translucent
- Mineral.gravity
- 3.28–3.33
- Mineral.opticalprop
- Biaxial (+)
via Wikipedia infobox
Wikidata facts
- Image
- BSE images of nataliakulikite in larnite-gehlenite rock (6).png
Show 7 more facts
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 9.AD.05
- chemical formula
- Ca₂SiO₄
- Nickel-Strunz 9th edition (updated 2009)
- 9.AD.05
- Mohs' hardness
- 6
- IMA Mineral Symbol
- Lrn
- Commons category
- Larnite
- Strunz 8th edition (series ID, updated)
- VIII/A.05
Sources (1)
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Article
1 sectionsContents
- References
{{Infobox mineral | name = Larnite | image = | imagesize = | alt = | caption = | category = Nesosilicates | formula = | IMAsymbol = Lrn | strunz = 9.AD.05 | dana = | system = Monoclinic | class = Prismatic (2/m) (same H-M symbol) | symmetry = P21/n | unit cell = a = 5.5, b = 6.74 c = 9.29 [Å]; β = 94.59°; Z = 4 | color = White to gray | habit = Flattened anhedral grains; massive | twinning = Common, polysynthetic parallel to {100} | cleavage = Good on {100}, imperfect on {010} | fracture = | tenacity = | mohs = 6 | luster = Vitreous | streak = White | diaphaneity = Transparent to translucent | gravity = 3.28–3.33 | density = | polish = | opticalprop = Biaxial (+) | refractive = nα = 1.707 nβ = 1.715 nγ = 1.730 | birefringence = δ = 0.023 | pleochroism = | 2V = 74° calculated | dispersion = r > v | extinction = | length fast/slow = | fluorescence = | absorption = | melt = | fusibility = | diagnostic = | solubility = | impurities = | alteration = | other = | references = }}
Larnite is a calcium silicate mineral with the formula . It is the calcium member of the olivine group of minerals.