fraipontite
Sign in to saveAlso known as zinalsite
Fraipontite is a zinc aluminium silicate mineral with a formula of .
Key facts
- Mineral.name
- Fraipontite
- Mineral.image
- Fraipontite-sea52a.jpg
- Mineral.imagesize
- 260px
- Mineral.caption
- Pockets of minute pearly white fraipontite crystals with green smithsonite from Laurium, Greece (size: 1.4 x 1.0 x 0.9 cm)
- Mineral.category
- Phyllosilicate minerals
- Mineral.group
- Kaolinite-Serpentine group, serpentine subgroup
- Mineral.IMAsymbol
- Fpt
- Mineral.strunz
- 9.ED.15
- Mineral.system
- Monoclinic
- Mineral.class
- Domatic (m) (same H-M symbol)
- Mineral.symmetry
- Cm
- Mineral.unit cell
- a = 5.34, b = 9.21 c = 14.12 [Å]; β = 93.2°; Z = 2
- Mineral.color
- Blueish, yellow white light green
- Mineral.habit
- Fibrous to porcelaneous massive
- Mineral.mohs
- 3.5 – 4
- Mineral.luster
- Silky
- Mineral.streak
- White to pale green
- Mineral.diaphaneity
- Opaque to translucent
via Wikipedia infobox
~1 min read
Encyclopedic overview
2 sectionsContents
- References
- External links
Fraipontite is a zinc aluminium silicate mineral with a formula of .
It is a member of the kaolinite-serpentine mineral group and occurs as an oxidation product of zinc deposits. It occurs with smithsonite, gebhardite, willemite, cerussite and sauconite.
Excerpted from Wikipedia’s “fraipontite” article, available under the CC BY-SA 4.0 licence.