snippets - black tourmaline in industry

rockngem magazine 67
from rockngem magazine 67
When you think of black tourmaline you might consider high quality terminated single and multiple crystal formations to polished tumblestones, but have you considered more commercial applications?

Powdered tourmaline as an ingredient to ceramic water/air purifyers, showers, swimming pools and fridges.
Tourmaline comprises of several different elements including aluminium, boron, iron, lithium, magnesium and manganese. It has
interesting electrical properties, similiar to quartz it exhibits piezoelectric properties(when physically stressed) and it also has pyroelectric properties(can create a voltage through temperature change).
In 314 BC tourmalines intriguing features were noticed with further documentation in the mid 1800’s and tourmaline nicknamed Lapidem Electricum(electric stone) and finally in the 1900’s it’s qualities were formally named.
Most industrial uses of tourmaline relate to it’s pyroelectric features which include emission of far infrared radiation, release of negative ions, absorption of ions, biologic activity influence. Oh it also helps with protecting against negativity,
relieving stress and cleansing you from negative energy. So next time don’t overlook this rather humble black crystal.

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cover of issue 67

Our cover picture courtesy of NASA Earth Observatory Landsat 8 satellite, shows a portion of the Tien Shan mountain range in the north western Xinjiang province China.
Formed some 300 million years ago when part of Australia collided with Eurasia, along with a chain of volcanic activity approximately 50 million years later.

The image shows a classic thrust fault caused when pressure forces horizontal sedimentary rock into up and down folds.
The forces involved are tremendous and have moved the rock to such an extent that if you followed the shepherds trail for a four hour hike to reach and stand on part of the actual Piqiang fault you can see Cambrian-aged rocks to one side, and Devonian-aged rocks on the other.
The highest range reaches 1200m(not fully shown in the image) the various colours show different time periods of rock with red being Devonian(commonly known as the age of the fish), the green sandstones from an ocean in the Silurian Period (plant and creatures appearing on land). Cream colours are limestone from the Cambrian to Ordovician period.

To see a list of mineral, crystal, gemstone, fossil shows/events both UK and worldwide visit our show page, if you organise or know of a show please get in touch to list it here.

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