Rosalinda

Rock

By Tim Matthews, JD, FGA, GG, DGA,
CEO and President of JTV (retired)
Published: June 2014
Rosalinda Jewelry

Rosalinda is found outside Tambo Colorado, Peru, and was introduced to the market in 2011. The white areas of the stone are made up of marialite which is a variety of scapolite. The pink inclusions are the mineral Piemontite which is a member of the epidote group.

General Information

Common Name
Rosalinda
Species
Rock
Transparency
Transparent - Opaque
Dispersion
Strength: None
Refractive Index
1.540-1.550 Tolerance: Pink areas might have 1.78 RI
Birefringence
0.004-0.008
Optic Character
Uniaxial
Optic Sign
Negative
Polariscope Reaction
Aggregate (AGG)
Fluorescence
SWUV: orange to red, pink and yellow
LWUV: white, yellow and red
Hardness
5-6
Streak
White
Specific Gravity
2.500-2.590
Inclusions
Piemontite and Grossular Garnet
Fracture
Conchoidal to uneven
Cleavage
Distinct
Chemical Name
Sodium aluminum chloro-silicate
Chemical Formula
Na4Al3Si9O24Cl with Ca2(Al,Mn3+, Fe3+)(SiO4)3(Si2O7)O(OH)
Crystal System
NA
Chemistry Classification
Rock

Rosalinda Colors

  • Multi-color Rosalinda
    Multi-color

Alternate Names

Marialite

Countries of Origin

Unknown; United States of America; Peru