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Picromerite (synonyms: schoenite, schönite) is a mineral from the class of hydrous sulfates lacking additional anions, and containing medium to large cations according to the Nickel–Strunz classification.
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mineral found class strunz classification properties references also deposits halite kainite crystal crystals taste bitter sulfates zones mines dehydration synonyms
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Picromerite | 2V angle | Measured: 47° | 1.00 | infobox |
| Picromerite | Birefringence | δ = 0.015 | 1.00 | infobox |
| Picromerite | Category | Sulfate mineral | 1.00 | infobox |
| Picromerite | Cleavage | perfect {201} | 1.00 | infobox |
| Picromerite | Color | Colorless; white, grey, reddish, yellowish | 1.00 | infobox |
| Picromerite | Crystal class | Prismatic (2/m) (same H-M symbol) | 1.00 | infobox |
| Picromerite | Crystal habit | massive aggregates; crusts; prismatic crystals | 1.00 | infobox |
| Picromerite | Crystal system | Monoclinic | 1.00 | infobox |
| Picromerite | Dana classification | 29.03.06.01 | 1.00 | infobox |
| Picromerite | Density | 2.03 | 1.00 | infobox |
| Picromerite | Diaphaneity | Transparent | 1.00 | infobox |
| Picromerite | Formula | K2Mg(SO4)2·6H2O | 1.00 | infobox |
| Picromerite | IMA symbol | Pmr | 1.00 | infobox |
| Picromerite | Luster | Vitreous | 1.00 | infobox |
| Picromerite | Mohs scale hardness | 2.5 | 1.00 | infobox |
| Picromerite | Optical properties | Biaxial (+) | 1.00 | infobox |
| Picromerite | Refractive index | nα = 1.461 nβ = 1.463 nγ = 1.476 | 1.00 | infobox |
| Picromerite | Solubility | in cold water | 1.00 | infobox |
| Picromerite | Space group | P21/a | 1.00 | infobox |
| Picromerite | Streak | White | 1.00 | infobox |
| Picromerite | Strunz classification | 7.CC.60 | 1.00 | infobox |
| Picromerite | Taste | bitter | 1.00 | infobox |
| Picromerite | Unit cell | a = 9.07, b = 12.21, c = 6.11 [Å]; β = 104,8°; Z = 2 | 1.00 | infobox |
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