Pyromorphite

Pyromorphite Córdoba

Composition Pb5(PO4)3Cl Crystal system Hexagonal
Hardness (Moh´s)
 3,5- 4 Density 6,7- 7
Refractive index 2,049- 2,059 Birefringence 0,010
Pleocroisme
 - Fluorescence Nule
Fracture
 Irregular I. Dispertion -
Cleavage
 Imperfect Streak Blanca
Absortion:
  • The name comes from PYROS = fire and MORPHO = shape, alluding the shape that takes when smelt. It´s found in assembled hexagonals crystals and even in globular shapes.
  • Green to yellow in differents tones. Translucent to transparent.
  • Confusions: It´s very characteristic.
  • Treatments: Unknown.
  • Localities: In España exist a great quality of pyromorphite in Córdoba.
  • Gemologicals uses: Pyromorphite is a material not much known in gemology. It´s a colection gem but it can be used in jewellery, in cab.
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Pyromorphite cut

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© Montse Bagué and Josep M. Serrano.Text and photos. Reproduction not allowed without permission.