palygorskite

But a study this year looking at dust generated by off-road vehicle use at the Nellis Dunes Recreation Area near Las Vegas found dust samples with naturally occurring arsenic and palygorskite, a mineral similar to asbestos, which could under certain circumstances pose potential health risks.

NYT > Home Page By KIRK JOHNSON 2011

But a study this year looking at dust generated by off-road vehicle use at the Nellis Dunes Recreation Area near Las Vegas found dust samples with naturally occurring arsenic and palygorskite, a mineral similar to asbestos, which could under certain circumstances pose potential health risks.

NYT > Global Home By KIRK JOHNSON 2011

The researchers knew that the Mayans made their blue by heating the pigment with palygorskite (a type of clay); their analysis showed that this heating allowed the pigment to enter tiny channels in the clay which are sealed after the mixture cools, protecting and keeping the pigment true blue for centuries.

Discover Blogs 2010

A Spanish research team has traced the route followed by the Maya to obtain palygorskite clay, one of the basic ingredients of Maya Blue.

unknown title 2009

Crystal-chemical analysis then enabled researchers to obtain the formula for the composition of Mayan palygorskite clay: (Si7. 96Al0.07) O20 (Al1. 59Fe3+0.20Mg2.25) (OH) 2

unknown title 2009

A Spanish research team has traced the route followed by the Maya to obtain palygorskite clay, one of the basic ingredients of Maya Blue.

unknown title 2009

The researchers found samples of high-purity palygorskite clay in several locations on the Yucatan Peninsula, in a 40 km radius of the well-known Maya archaeological site of Uxmal.

unknown title 2009

Nowadays, modern pharmacology uses clays like palygorskite to produce anti-diarrhoea medicine, a remedy the Maya began to use more than a thousand years ago.

unknown title 2009

Nowadays, modern pharmacology uses clays like palygorskite to produce anti-diarrhoea medicine, a remedy the Maya began to use more than a thousand years ago.

unknown title 2009

"Present day native communities on the Yucatan Peninsula are familiar with and use palygorskite clay for a variety of purposes, ranging from making candles on All Saints 'Day and household and artistic pottery to remedies for mumps, stomach and pregnancy pains and dysentery," Sánchez del Río explained to SINC.

unknown title 2009