gormanite
Sign in to saveAlso known as IMA1977-030
Gormanite is a phosphate mineral with the formula . It was named after the University of Toronto professor Donald Herbert Gorman (1922–2020).
In the Vinony graph
Vinony's link graph records 7 inbound references to gormanite, and connects out to phosphate mineral, Canada and Namibia.
Vinony files it under Aluminium minerals, Dihydrate minerals and Iron(II) minerals.
Vinony links it to 9 Wikipedia language editions.
Key facts
- Mineral.name
- Gormanite
- Mineral.image
- Gormanite-165270.jpg
- Mineral.imagesize
- 260px
- Mineral.caption
- Gormanite from the Doce valley, Minas Gerais, Brazil (size: 4.2 × 4.2 × 3.0 cm)
- Mineral.category
- Phosphate minerals
- Mineral.IMAsymbol
- Gm
- Mineral.strunz
- 8.DC.45
- Mineral.system
- Triclinic
- Mineral.class
- Pedial (1) (same H-M symbol)
- Mineral.symmetry
- P1
- Mineral.unit cell
- a = 11.77, b = 5.11 c = 13.57 [Å]; α = 90.45° β = 99.15°, γ = 90.05°; Z = 2
- Mineral.color
- Blue green
- Mineral.habit
- Aggregates of acicular crystals; pseudomonoclinic
- Mineral.twinning
- Polysynthetic around [010]
- Mineral.cleavage
- {001} indistinct
- Mineral.fracture
- Splintery
- Mineral.tenacity
- Brittle
- Mineral.mohs
- 4–5
via Wikipedia infobox
Wikidata facts
- Subclass of
- phosphate mineral
- Image
- Gormanite-165270.jpg
Show 5 more facts
- IMA Mineral Symbol
- Gm
- Commons category
- Gormanite
- chemical formula
- (Fe²⁺,Mg)₃(Al,Fe³⁺)₄(PO₄)₄(OH)₆ * 2H₂O
- Nickel-Strunz 9th edition (updated 2009)
- 8.DC.45
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 8.DC.45
Sources (2)
via Wikidata · CC0
~2 min read
Encyclopedic overview
3 sectionsContents
- Occurrence
- References
- External links
{{Infobox mineral | name = Gormanite | image = Gormanite-165270.jpg | imagesize = 260px | alt = | caption = Gormanite from the Doce valley, Minas Gerais, Brazil (size: 4.2 × 4.2 × 3.0 cm) | category = Phosphate minerals | formula = | IMAsymbol = Gm | molweight = | strunz = 8.DC.45 | dana = | system = Triclinic | class = Pedial (1) (same H-M symbol) | symmetry = P1 | unit cell = a = 11.77, b = 5.11 c = 13.57 [Å]; α = 90.45° β = 99.15°, γ = 90.05°; Z = 2 | color = Blue green | colour = | habit = Aggregates of acicular crystals; pseudomonoclinic | twinning = Polysynthetic around [010] | cleavage = {001} indistinct | fracture = Splintery | tenacity = Brittle | mohs = 4–5 | luster = Sub-vitreous, greasy | streak = Pale green | diaphaneity = Semitransparent | gravity = 3.10–3.13 | density = | polish = | opticalprop = Biaxial (−) | refractive = nα = 1.619 nβ = 1.653 nγ = 1.660 | birefringence = .041 | pleochroism = Strong, X colorless, Y blue, Z colorless | 2V = Measured: 53° | dispersion = | extinction = | length fast/slow = | fluorescence = | absorption = | melt = | fusibility = | diagnostic = | solubility = | impurities = | alteration = | other = | prop1 = | prop1text = | references = }}
Gormanite is a phosphate mineral with the formula . It was named after the University of Toronto professor Donald Herbert Gorman (1922–2020).
Excerpted from Wikipedia’s “gormanite” article, available under the CC BY-SA 4.0 licence.