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Science

The Boiling Stone: Zeolite

Born of volcanic magma, a unique mineral whose porous crystal structure captures and slowly releases water and nutrients.

What is zeolite?

Nature's molecular sponge

Zeolite is a hydrated aluminosilicate mineral with an open, three-dimensional crystal framework built from alumina (AlO₄) and silica (SiO₄) tetrahedra.

This framework contains regular cavities the size of small molecules. Water and ions such as sodium, potassium and ammonium are held in these pores and released when needed.

But this is not ordinary zeolite. Most zeolites on the market are clinoptilolite; WATAD's mineral is the rare Clinoptilolite type — far superior to classic zeolites in cation exchange capacity (CEC), water retention and purity. It is sourced from the volcanic rocks of Al Safawi, Jordan.

The clinoptilolite crystal

A porous crystalline cage

Clinoptilolite's three-dimensional aluminosilicate cage captures and holds water molecules and nutrient ions such as NH₄⁺, K⁺ and Ca²⁺ — a cation exchange capacity far beyond classic zeolites.

(Ca, Na, K)₃ · AlSiO · 12H₂O

Mechanism

Absorbs, holds, releases gradually

Zeolite's high cation exchange capacity (CEC) stops nutrients from leaching away and delivers them gradually as the plant needs them.

High CEC holds nutrients in the root zone.

Key properties

Six properties that make zeolite unique

Sustainability

Stays active in soil for 30+ years — one application.

Cation exchange (CEC)

Selectively holds and exchanges ions.

Water retention

The porous structure holds water for long periods.

Adsorption

Adsorbs molecules on its surface; removes toxins and odors.

Nitrogen fixation

Captures ammonia, supports beneficial bacteria.

Porous structure

Cage-like channels boost aeration.

From quarry to product

From Al Safawi to your soil

From the Middle East's largest zeolite, tuff and pozzolana quarry, through a controlled production line.

01

Quarry

Al Safawi (Jordan) — the region's largest quarry, 100M-tonne capacity.

02

Mining & crushing

Production lines equipped to full occupational-safety standards.

03

Grinding & grading

Precise particle sizes from 45 microns to over 30 mm.

04

R&D & quality control

Lab testing of purity and performance on every batch.

05

Blending & packaging

Crop-specific blends, palletized and ready to ship.

Technical data

The numbers from the lab

Mineralogy

Mineral
Clinoptilolite
Formula
(Ca,Na,K)₃·AlSiO·12H₂O
Family
Aluminosilicate
Color
Red

Phase identification (XRD)

Major
Clinoptilolite · Augite · Albite · Offretite
Minor
Hematite
Trace
Calcite

Composition

Components
Zeolite · Zeolitic Tuff · Silica · Cocopeat
Elemental content
N·P·K·Mg·Ca·Fe·Mn·Zn·Cu·Ni·Cr·Co
CEC
High

Performance & safety

Water retention
High
Soil longevity
30+ years
Radiological / heavy metal
Tested · safe
Flammability
Non-flammable

Values summarized from the WATAD Zeolite technical dossier and accredited lab reports.

Let's talk through the right solution for your soil

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