amesite
Sign in to saveAlso known as amesite-2A, amesite-2H1
Amesite is a mineral with general formula of Mg2Al2SiO5(OH)4.
Key facts
- Mineral.name
- Amesite
- Mineral.category
- Phyllosilicate minerals
- Mineral.group
- Kaolinite-Serpentine group, serpentine subgroup
- Mineral.image
- Amesite-190280.jpg
- Mineral.imagesize
- 260px
- Mineral.formula
- Mg2Al2SiO5(OH)4
- Mineral.IMAsymbol
- Ame
- Mineral.strunz
- 9.ED.15
- Mineral.system
- Triclinic
- Mineral.class
- Pedial (1) (same H-M symbol)
- Mineral.symmetry
- C1
- Mineral.unit cell
- a = 5.307(1), b = 9.195(2) c = 14.068(3) [Å] α = 90.09(2)° β = 90.25(2)°, γ = 89.96(2)°; Z = 4
- Mineral.color
- White, colorless, pink to lilac, pale green
- Mineral.habit
- Crystals form as platy to tapering elongated pseudohexagonal prisms
- Mineral.twinning
- Common as six-fold sector twins on {001} and polysynthetic twins parallel to {010}
- Mineral.cleavage
- Perfect on {001}
- Mineral.tenacity
- Brittle
- Mineral.mohs
- 2.5–3
via Wikipedia infobox
Wikidata facts
- Image
- Amesite-190279.jpg
Show 6 more facts
- Commons category
- Amesite
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 9.ED.15
- Nickel-Strunz 9th edition (updated 2009)
- 9.ED.15
- IMA Mineral Symbol
- Ame
- chemical formula
- Mg₂Al(AlSiO₅)(OH)₄
- Strunz 8th edition (series ID, updated)
- VIII/E.10b
Sources (1)
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1 sectionsContents
- References
{{Infobox mineral | name = Amesite | category = Phyllosilicate minerals | group = Kaolinite-Serpentine group, serpentine subgroup | image = Amesite-190280.jpg | imagesize = 260px | alt = | caption = | formula = Mg2Al2SiO5(OH)4 |IMAsymbol=Ame | molweight = | strunz = 9.ED.15 | system = Triclinic | class = Pedial (1) (same H-M symbol) | symmetry = C1 | unit cell = a = 5.307(1), b = 9.195(2) c = 14.068(3) [Å] α = 90.09(2)° β = 90.25(2)°, γ = 89.96(2)°; Z = 4 | color = White, colorless, pink to lilac, pale green | habit = Crystals form as platy to tapering elongated pseudohexagonal prisms | twinning = Common as six-fold sector twins on {001} and polysynthetic twins parallel to {010} | cleavage = Perfect on {001} | fracture = | tenacity = Brittle | mohs = 2.5–3 | luster = Pearly | refractive = nα = 1.597 nβ = 1.599 nγ = 1.615 | opticalprop = Biaxial (+) | birefringence = δ = 0.018 | pleochroism = | streak = White with pale green tint | gravity = 2.77 | density = | melt = | fusibility = | diagnostic = | solubility = | diaphaneity = Transparent to translucent | other = Kaolinite-serpentine group | references = }}
Amesite is a mineral with general formula of Mg2Al2SiO5(OH)4.