Larimar Black or Petrified Palm Pear 595g

This specimen comes from the same vain as the Larimar. The locals call it black Larimar, Black Larimar is actually Petrified Palm. This material can have Blue, white or red Pectolite in it.
Although is more scares than Larimar it has much less value than Larimar.

Pear Shape
Weight: 595
Size: 4 x 2.5 Inches
Gemological Properties:
Chemical Elements: Ca, Fe, Ti, Sr
Crystal Structure: Calcite and Morimotoite
Color: Black, Green
Hardness: Typically 6.5 to 7
Refractive Index: NA
Density: 2.70 – 2.90
Cleavage: NA
Transparency: Opaque
Double Refraction or Birefringence:NA
Luster: Silky
Fluorescence: Weak: Red