Mineral Information and Data:

Anapaite
Ca2Fe2+(PO4)2 • 4H2O [CNMNC approved formula]

Named for its discovery near Anapa, Russia.

IMA status : Valid species (Pre-IMA 1902) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
40.02.01.01  
  (40) Hydrated Phosphates
  (40.02) where A++ (B++)2 (XO4) · x(H2O)
  (40.02.01)
  
Nickel-Strunz
(10th edition) :
08.CH.10
  (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: Triclinic System
Point group (H-M): 1 — pinacoidal
Unit cell: a = 6.45 Å, b = 6.82 Å, c = 5.90 Å, a = 101.64°, b = 104.24°, g = 70.76°
Crystal Habit: Commonly in rosettes and subparallel aggregates and crusts of crystals, fibrous and in nodules, tabular to 1 cm
  
Color: Green to pale green
Diaphaneity: Transparent
Hardness (Mohs): 3.5
Measured Density: 2.82 g/cm3
Cleavage: 2; {001} perfect, {010} distinct
Streak: White
  
Geologic Setting: In oolitic iron ore, and in the stems of fossil trees (Anapa, Russia); in lacustrine
Mineral Association: Fairfieldite, vivianite, siderite
  
Other Properties: Gemstone Extremely Rare.

 

Anapaite
Origin: Kertch, Ukraine
Sample size: overall shell 5 x 4 x 4 cm
Photo: Tom Loomis

 

Anapaite
(zoom-in of above)

 

Anapaite
Anapaite on fossil mollusk
Origin: Kertch, Crimea Oblast, Ukraine
Sample size: 2.3 x 2.2 x 1.3 cm
Photo: Rob Lavinsky

<<< BACK TO MINERAL SEARCH