Quartz Cluster
$70.00
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Natural clear quartz cluster, fully unpolished. Multiple terminations
on natural matrix with strong clarity. Multiple terminations on natural matrix with strong clarity and well-defined growth.
Sourced in Brazil.
Weight: 0.335 KG – 0.737 LB
Dimensions: 9 in H × 2.5 in W
One piece only. Photos show the exact specimen you receive.
In stock
More Details
What is a Clear Quartz Cluster?
A clear quartz cluster is a natural formation of multiple quartz
crystals (SiO₂) growing from a shared matrix. Each termination
develops during the same crystallization event, creating a structurally
connected group of points with a unified geological record. Raw quartz
clusters are valued by collectors for the complexity of their formation
and the integrity of their natural growth.
How Are Brazilian Quartz Clusters Different?
Brazilian quartz clusters, particularly from Minas Gerais and Goiás,
are internationally recognized for their exceptional clarity, sharp
terminations, and large crystal development. The geological conditions
in these regions — silica-rich pegmatite environments and extended
crystallization periods — produce specimens with greater transparency
and structural definition than those found in most other deposits.
What Determines the Value of a Natural Quartz Cluster?
Value is determined by four primary factors: clarity of the
terminations, balance and density of the formation, integrity of the
matrix, and the presence of natural surface features such as
striations and phantoms. Specimens with intact matrix and undamaged
points hold the highest collector value, as repaired or trimmed
clusters lose geological authenticity.
How to Identify a Natural Quartz Crystal Cluster?
Authentic natural quartz clusters show characteristic surface
striations on the prismatic faces, internal phantoms, and minor
inclusions formed during growth. The terminations vary in size and
orientation — uniformity across all points is a sign of synthetic
or heavily modified material. Genuine specimens retain visible
evidence of their natural growth environment.
Why Each Quartz Cluster Specimen is One-of-a-Kind?
No two clusters form identically. Variations in termination size,
matrix composition, internal phantoms, and growth patterns reflect
the specific conditions of the cavity where the specimen developed.
This individuality is a defining characteristic of natural quartz
formations and the reason serious collectors prioritize raw,
untrimmed specimens.
