Mineral Information and Data:

Bakhchisaraitsevite
Na2Mg5(PO4)4 • 7H2O [CNMNC approved formula]

Named after Alexander Yu. Bakhchisaraitsev (1947–1998), who studied minerals of the Kola Peninsula for 30 years and discovered eight new mineral species.

IMA status : Approved Species 1999 (IMA1999-005)
CLASSIFICATION 
Dana
(8th edition) :
40.05.17.01  (This Dana# Added)
  (40) Hydrated Phosphates
  (40.05) with miscellaneous formulae
  (40.05.17)
  
Nickel-Strunz
(10th edition) :
08.CH.50
  (08) Phosphates, Arsenates, Vanadates
  (08.C) Phosphates without Additional Anions, with H2O
  (08.CH) With large and medium-sized cations, RO4:H2O < 1:1
  
Crystal system: Monoclinic System
Point group (H-M): 2/m — prismatic
Unit cell: a = 8.32 Å, b = 12.9 Å, c = 17.5 Å, Z = 4; b = 102°
Crystal Habit: Fan-shaped aggregates or single bladed tabular crystals (up to 0.5 x 1.5 x 2 mm)
  
Color: Light yellow, colorless or greenish
Diaphaneity: Transparent
Luster: Vitreous
Hardness (Mohs): 2 - 2.5
Measured Density: 2.5 g/cm3
Cleavage: {001} Perfect
Tenacity: Brittle
Streak: White
  
Geologic Setting: In voids found in veins of vuggy dolomite carbonatite.
Mineral Association: Bobierrite, pyrite, collinsite, “chlorite”, nastrophite and juonniite.
  
Other Properties: BioMineral.

<<< BACK TO MINERAL SEARCH