Eclogite Metamorphic Rock Value Guide

Eclogite is a rare high-pressure metamorphic rock formed 400-450 million years ago at extreme depths within the Earth's mantle. Known as the 'Christmas tree rock' for its striking red and green coloration, it is a prized geological specimen that provides vital evidence for plate tectonics.

What Is Eclogite Metamorphic Rock Worth?

The typical price range for Eclogite Metamorphic Rock is $25 - $30 based on recent sales. However, values can vary depending on the item's condition, rarity, and other factors such as:

• The vibrancy and contrast between the red garnet and green omphacite significantly impact the $25-$30 price point.
• Size and structural integrity of the specimen, with larger, uncracked pieces commanding higher interest.
• The clarity and definition of the individual garnet crystals within the pyroxene matrix.
• Historical or scientific provenance linking the piece to specific Norwegian geological sites.

How to Identify Eclogite Metamorphic Rock?

• Look for the distinctive combination of deep red garnet crystals embedded in a bright green omphacite pyroxene matrix.
• Verify the origin as Norway, a primary source for high-quality specimens from ancient subduction zones.
• Check for the presence of secondary minerals like quartz which are common in these metamorphic formations.
• Confirm the high density and weight of the rock, characteristic of materials formed under extreme mantle pressure.

History of Eclogite Metamorphic Rock

Eclogite is a rare rock type formed at extreme depths within the Earth's mantle or deep in subduction zones. It is often called the 'Christmas tree rock' due to its distinct red and green coloration. Historically significant in the field of geology, it provides crucial evidence for the process of plate tectonics and the recycling of the Earth's crust.