Prehnite - image 1
Prehnite - image 2
specimen video

Prehnite

Unknown Owner
Neat pale blue slightly translucent semi lustrous sharply formed crystal grouping of prehnite 2.5 cm on edge forming a matrix less cluster. Graphite is present as well. This is crystallized naturally all around and in terrific condition. Quite neat and unique for the species.

Product details

Species
PrehniteAbout Prehnite →
SizeMiniature
Dimensions3.5 x 3.0 x 2.5 cm
Added on10/25/2024
Locality
Tanzania, Manyara Region, Merelani HillsRegional guide →

Known provenance

DateCollectorAcquisition price
07/2025Unknown Owner$400.00
—Weinrich MineralsNot disclosed

Learn more

Prehnite
Mineral guide
Learn about Prehnite
apple- to mint-green crystals and sculptural botryoidal/rosette forms; a calcium aluminum silicate formed in low-temp hydrothermal environments.
Prehnite
Regional guide
Prehnite from Merelani Hills, Tanzania
Merelani Hills prehnite, Tanzania: glossy translucent crystals on black graphite, lemon-to-mint colors, and a prized locality with context for collectors.