Kalinite
In this article, we are going to explore Kalinite in depth and analyze its impact on different aspects of daily life. From its origin to its relevance today, Kalinite has been the subject of interest and research in various fields. Over the years, it has generated debate and controversy, challenging our perceptions and allowing us to reflect on its meaning in the modern world. Through detailed analysis, we aim to shed light on Kalinite and offer a comprehensive view that invites reflection and debate.
| Kalinite | |
|---|---|
 Kalinite from the Virgin Valley District, Nevada, USA. Specimen size 5.4 cm | |
| General | |
| Category | Sulfate minerals |
| Formula | KAl(SO4)2·11H2O |
| IMA symbol | Kli[1] |
| Strunz classification | 7.CC.15 |
| Dana classification | 29.5.4.2 |
| Crystal system | Monoclinic |
| Crystal class | Prismatic (2/m) (same H-M symbol) |
| Space group | C2/c |
| Unit cell | a = 19.92(16), b = 9.27(3) c = 8.304(13) Å β = 98.79(19)°; Z = 4 |
| Identification | |
| Formula mass | 456.37 g/mol |
| Color | White to pale blue |
| Crystal habit | Fibrous |
| Fracture | Conchoidal |
| Mohs scale hardness | 2 to 2.5 |
| Luster | Vitreous |
| Streak | White |
| Diaphaneity | Transparent |
| Specific gravity | 1.75 (observed) 2.0 (calculated) |
| Optical properties | Biaxial (−) |
| Refractive index | nα = 1.429 to 1.430, nβ = 1.452, nγ = 1.456 to 1.458 |
| Birefringence | None |
| 2V angle | 52° (measured), 82° (calculated) |
| Solubility | Soluble in water |
| Other characteristics | Not fluorescent, barely detectable radioactivity |
| References | [2][3][4][5] |
Kalinite is a mineral composed of hydrated potassium aluminium sulfate (a type of alum). It is a fibrous monoclinic alum, distinct from isometric potassium alum,[6] named in 1868. Its name comes from kalium (derived from Arabic: القَلْيَه al-qalyah "plant ashes", which is the Latin name for potassium, hence its chemical symbol, "K".
A proposal to remove recognition of kalinite as a mineral species was submitted to the International Mineralogical Association;[5] however, kalinite is still on the list of approved minerals.[7] Many older samples, however, have been found to be potassium alum.[3]
Environment
Kalinite is a rare secondary mineral observed in the oxidized zone of mineral deposits, as efflorescence on alum slates, in caves, and as a volcanic sublimate.[8] It is associated with jarosite, KFe3+3(SO4)2(OH)6, and cuprian melanterite (pisanite), (Fe2+,Cu2+)SO4·7H2O, at Quetena, Chile.[9]
References
- ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
- ^ Gaines et al (1997) Dana’s New Mineralogy, Wiley
- ^ a b Kalinite data in the Handbook of Mineralogy
- ^ Kalinite on Webmin
- ^ a b Kalinite on Mindat
- ^ American Mineralogist (1923) 8:15
- ^ "IMA Mineral List with Database of Mineral Properties".
- ^ American Mineralogist (1927) 12:14
- ^ American Mineralogist (1938) 23:721