Mined from: Mt. St. Helens, Washington, USA

Description: Pumice from Mt. St. Helens is a lightweight volcanic rock formed during explosive eruptions, most notably the 1980 eruption that reshaped the landscape of southwestern Washington. It is characterized by its highly porous, frothy texture, created as gas-rich magma rapidly depressurizes and cools. The trapped gas bubbles form countless vesicles, often allowing the rock to float on water. Material from Mt. St. Helens is typically light gray to off-white and can range from fine to coarse in texture depending on how quickly the lava cooled.

This pumice forms from silica-rich magma that erupts violently, fragmenting into airborne material known as tephra. As the molten fragments cool mid-air or upon landing, the gas bubbles become locked into place, preserving the foam-like structure. Mt. St. Helens is one of the most studied volcanoes in the world, and its pumice deposits provide a clear example of how explosive volcanic processes can produce highly vesicular rock over large areas in a short period of time.

Pumice is often associated with release, lightness, and transformation. Its ability to float and its origin in explosive change give it a symbolic connection to letting go of weight or pressure. Many are drawn to it as a reminder of how intense events can produce something uniquely structured and unexpectedly light.

Chemical Composition: Primarily SiO₂ (silicon dioxide), with Al₂O₃, K₂O, Na₂O, and minor FeO, CaO

Chakra: Crown

Mini
Approximate Size of 1 Piece: 16mm x12mm x10mm
Approximate Weight of 1 Piece: 0.5g

Small
Approximate Size of 1 Piece: 23mm x17mm x12mm
Approximate Weight of 1 Piece: 1g

Medium
Approximate Size of 1 Piece: 29mm x26mm x20mm
Approximate Weight of 1 Piece: 4g

Large 
Approximate Size of 1 Piece: 43mm x33mm x18mm
Approximate Weight of 1 Piece: 10g

Quantity: 1pc

We do our best to buy quality products- although not every rock is the same. If you choose to purchase the "staff pick option", we will select the best of the batch for you. Otherwise, it will be at random from the larger batch we have in stock.