Constituent
- Name
- Yavapaiite
- IMA name
- Yavapaiite
- Class
- non-silicate mineral
- Compound type
- sulfate
- Relevance
- main - minor
- Arrangement
- in multi-phases
- Mass fraction
- 0.04 $\pm$ 0.1
- Formula
- $KFe^{3+}(SO_4)_2$
- Chemical formula
- K(Fe3+)(SO4)2
- Elemental formula
- (K+) (Fe3+) S2 O4 (O-)4
- Isotope mixture type
- terrestrial abundance
- Oxides
-
Formula $K_{2}O$ $Fe_{2}O_{3}$ $SO_{3}$ Mass fraction (%) 16.41 27.81 55.78
Strunz
- Class
- sulfates - chromates - molybdates - tungstates (07)
- Division
- sulfates (selenates, etc.) without additional anions, without H2O (07.A)
- Family
- with medium-sized and large cations (07.AC)
- Code
- 07.AC.15
Dana
- Major class
- sulfates, chromates, selenates (VI)
- Class
- anhydrous acid and sulfates (28)
- Type
- where (A++)XO4 (28.03)
- Group
- -Yavapaiite- group (28.03.04)
- Code
- 28.03.04.01
- Phase type
- crystalline
- Crystal system
- monoclinic
- Crystal class
- prismatic
- Crystal class symbol
- 2/m (C2h)
- Crystal spacegroup
- C2/m
- Molar mass
- 287.07 $g/mol$
- Density
- 2.88 $g/cm^3$
- Refringence type
- biaxial
- Refringence sign
- negative
- Birefringence
- 0.105
- Refraction index $n_{\alpha}$
- 1.593
- Refraction index $n_{\beta}$
- 1.684
- Refraction index $n_{\gamma}$
- 1.698
- Dispersion V
- r > v strong
- Color
- light pink
- Diaphaneity
- transparent
- Luster
- vitreous