Large Prehnite Crystal Cluster from Merelani, Tanzania – 760 grams

A large and impressive prehnite crystal cluster featuring tightly packed, well-formed crystals with a rich greenish yellow coloration. The surface is covered in sharp, blocky crystal faces that reflect light beautifully, giving the piece a bright, glassy luster across the entire formation.

The cluster shows excellent coverage and dimension, with layered crystal growth creating depth and texture from every angle. Subtle variations in tone—from soft green to warm golden hues—add visual interest and enhance the overall appeal.

Set on a natural matrix, this substantial specimen has strong presence and display quality, making it a standout piece for any mineral collection—especially from the renowned Merelani locality, famous for producing high-quality prehnite.

Location: Merelani, Tanzania
Weight: 760 grams
Measurements: 91mm x 81mm x 75mm
Crystal System: Orthorhombic
Mineral Class: Silicate (Phyllosilicate – Prehnite Group)