Mined from: Inner Mongolia Autonomous Region, China

Description: Hedenbergite quartz from Inner Mongolia is a striking combination specimen where dark green to nearly black hedenbergite crystals contrast sharply against clear to milky quartz. The hedenbergite typically forms as elongated, bladed or prismatic crystals, often embedded within or protruding from the quartz matrix. This pairing creates a strong visual balance between the glassy transparency of quartz and the dense, opaque character of the pyroxene.

These minerals form in skarn environments, which develop when hot, silica- and metal-rich fluids from an intrusive magma react with surrounding carbonate rocks like limestone. This process—called metasomatism—alters the original rock chemistry and produces calcium- and iron-rich minerals such as hedenbergite. As the system cools, quartz crystallizes from remaining silica-rich fluids, often enclosing or growing alongside the earlier-formed hedenbergite. Deposits in Inner Mongolia are known for producing well-defined specimens from these contact zones.

Hedenbergite quartz is often associated with structure, focus, and grounded clarity. The combination of dark, iron-rich crystals within clear quartz gives it a visual sense of balance between density and transparency, which many interpret as supporting practical thinking and steady decision-making. It’s commonly chosen by those drawn to minerals that reflect both strength and clarity in a single specimen.

Chemical Composition: Quartz: SiO₂ (silicon dioxide), Hedenbergite: CaFeSi₂O₆ (calcium iron pyroxene)

Chakra: Heart

Mini
Approximate Size of 1 Piece: 15mm x5mm x 5mm
Approximate Weight of 1 Piece: 1g

Small
Approximate Size of 1 Piece: 28mm x10mm x8mm
Approximate Weight of 1 Piece: 2.3g

Medium
Approximate Size of 1 Piece: 30mm x10mm x5mm
Approximate Weight of 1 Piece: 3g

Large
Approximate Size of 1 Piece: 35mm x10mm x8mm
Approximate Weight of 1 Piece: 4g

XL 
Approximate Size of 1 Piece: 35.5mm x12mm x9mm
Approximate Weight of 1 Piece: 5.5g

XXL
Approximate Size of 1 Piece: 40mm x10mm x9mm
Approximate Weight of 1 Piece: 7.5g

XXXL
Approximate Size of 1 Piece: 41mm x18mm x14mm
Approximate Weight of 1 Piece: 14g

4XL
Approximate Size of 1 Piece: 42mm x20mm x24mm
Approximate Weight of 1 Piece: 20g

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.