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.
Size: 3 x 2.5 Inches
Chemical Elements: Ca, Fe, Ti, Sr
Crystal Structure: Calcite, Morimotoite and Pectolite
Color: Black, Green, Blue, White
Hardness: Typically 6.5 to 7
Refractive Index: NA
Density: 2.70 – 2.90
Double Refraction or Birefringence:NA
Fluorescence: Weak: Red