Herkimer Diamond Quartz Cluster Value Guide

The Herkimer Diamond Quartz Cluster is a prized mineral specimen known for its exceptional clarity and natural double-terminated facets that mimic the brilliance of real diamonds. These unique quartz formations are found exclusively in the dolomite rock of Herkimer County, New York, making them a staple of American mineral collecting.

What Is Herkimer Diamond Quartz Cluster Worth?

The typical price range for Herkimer Diamond Quartz Cluster is $125 - $125 based on recent sales. However, values can vary depending on the item's condition, rarity, and other factors such as:

• The number of individual crystals present in the cluster and how they are aesthetically arranged.
• The overall clarity and lack of internal fractures or 'carbon' inclusions within the quartz points.
• The presence of the original matrix rock, which often increases the value for mineral display purposes.
• The size of the largest crystal in the cluster, with larger, undamaged points commanding higher prices.

How to Identify Herkimer Diamond Quartz Cluster?

• Look for natural double-termination, meaning the crystals come to a point at both ends without human cutting.
• Examine the host rock for gray or tan dolomite, which is the characteristic matrix for authentic Herkimer specimens.
• Check for exceptional transparency and a high refractive luster that distinguishes them from standard milky quartz.
• Verify the origin specifically to Herkimer County, New York, as similar crystals from other regions are not true Herkimers.

History of Herkimer Diamond Quartz Cluster

Herkimer diamonds are not true diamonds but are exceptionally clear, naturally faceted quartz crystals found in Herkimer County, New York. Formed millions of years ago in dolomite rock, these crystals gained popularity for their unique clarity and natural terminations, making them prized among mineral collectors and for use in jewelry.