Formula: (NH4)2MgH2(PO4)2.4H2O
Origin of name: for Arnulf Schertel, German mineralogist
Crystal system: orthorhombic
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell:
Colour: colourless
Diaphaneity: transparent
Luster: vitreous
Habit: crystals flat, indistinct, small
Hardness:
Specific gravity: 1.83
Cleavage: none
Tenacity:
Streak:
Synonyms/varieties:
Comments: soluble in water
| Back to Alphabetical list | Colour photos | Thin sections | SEM images | TEM images | vibrational spectra description | IR spectra | Raman spectra | N-IR spectra | F-IR spectra | IES spectra |