Magazine
Zeolite and Clinoptilolite: What Is the Difference?
Zeolite describes a family of porous aluminosilicates. Clinoptilolite is a commonly occurring natural member; the...
Read more
Phenakite: properties, origin and gemstone myths
Phenakite is a hard beryllium silicate, often unassuming in appearance. Its collector value rests on...
Read more
Black Obsidian: Formation, Uses and Care
Black obsidian is volcanic glass. Its historical use as a tool and jewellery material is...
Read more
Red Jasper: Mineralogy, Symbolism and Care
How red jasper forms, how to recognise it, what meanings are attributed to it and...
Read more
Zeolite: Uses, Efficacy and Safety Questions
How zeolites are used in technical applications, why detoxification in the body is unproven, and...
Read more
Cleaning Gemstones: Material Compatibility Rather Than Charging
How to clean gemstones properly, which stones are sensitive to water, sunlight or chemicals, and...
Read more
Gemstone Doughnut Pendants: Jewellery, Symbolism and Safe Care
What gemstone doughnut pendants are, how materials and settings differ and why attributed energies do...
Read more
Yellow Calcite: Formation, Colour and Properties
How yellow calcite forms, which crystal structure and cleavage are typical and why symbolism must...
Read more
Tourmalinated Quartz: Formation, Appearance and Safe Care
How tourmalinated quartz forms, how to recognise inclusions and colours, and how to care for...
Read more
Orange Calcite: Mineral, Properties and Mix-Ups
Why orange calcite is a mineral rather than a citrus fruit, how colour and crystal...
Read more
Healing Stones: Tradition, Meaning and Scientific Evidence
What meanings are attributed to amethyst, rose quartz and other stones, what is scientifically established...
Read more
Phenakite: Mineralogy, Meaning and Lack of Healing Evidence
What distinguishes phenakite mineralogically, what spiritual meanings are attributed to it and why healing effects...
Read more