{"id":1172,"date":"2021-08-30T09:00:47","date_gmt":"2021-08-30T09:00:47","guid":{"rendered":"https:\/\/www.yukami.co.id\/?p=1172"},"modified":"2023-06-20T10:07:18","modified_gmt":"2023-06-20T10:07:18","slug":"what-is-halloysite-kaolin","status":"publish","type":"post","link":"https:\/\/www.yukami.co.id\/zh\/what-is-halloysite-kaolin\/","title":{"rendered":"\u6df1\u5c42\u57c3\u6d1b\u77f3\uff1a\u72ec\u7279\u7684\u767d\u7c98\u571f\u77ff\u5e8a"},"content":{"rendered":"

Kaolin has special deposits, alongside kaolinites and other minerals, namely halloysite kaolin. Due to their unique and attractive chemical and physical qualities, these nano-tube white clay minerals become a promising contestant in today’s industrial and commercial, as well as nanotechnology applications.<\/span><\/p>\n\n\n\n

<\/div>\n\n\n\n

What is Halloysite?<\/span><\/h2>\n\n\n\n
\"Halloysite<\/figure>\n\n\n\n

When you open your dictionary and look for halloysite, you will surely come across countless definitions. <\/span><\/p>\n\n\n\n

One says that it is a refractory clay mineral having similar composition to kaolinites. The other states it is a mineral containing a partially dehydrated halloysite. The other describes it as a member of hydrated kaolinites. <\/span><\/p>\n\n\n\n

Another explanation would be that halloysite is a \u74f7\u5668<\/a>-like clay of alumino-silicate mineral with the chemical formula Al2SiO5(OH)4\u00b72H2O, containing petite and lean tubes.\u00a0<\/span><\/p>\n\n\n\n

All those definitions are not wrong since halloysite is a member of the kaolin group and sub-group (kaolinites). It is an aluminosilicate clay mineral with the general chemical composition Al2SiO5(OH)4. Many industrial and commercial applications appreciate this mineral’s favorable physical qualities. Unique crystal shapes, particles, high whiteness, and high translucency are most of them. <\/span><\/p>\n\n\n\n

<\/div>\n\n\n\n

Where is The Name From?<\/span><\/h2>\n\n\n\n

The first finding report for halloysites came from Angleur, a district of the Walloon city of Li\u00e8ge, Li\u00e8ge Province, Belgium. It was a Belgian geologist, Jean-Baptiste Julien d’Omalius d’Halloy<\/a> (1783-1875), who first observed and discovered this mineral deposit. He was a nobleman, a pioneer of modern geology in his country, and a statesman.  <\/span><\/p>\n\n\n\n

The first description of halloysite was in 1826. Also, in the same year, Pierre Berthier, a French geologist and mining engineer, named the mineral after the renowned Belgium geologist’s surname, d’Halloy. <\/span><\/p>\n\n\n\n

<\/div>\n\n\n\n

What is Halloysite Chemistry?<\/span><\/h2>\n\n\n\n
<\/div>\n\n\n\n

a. Chemical Structures<\/span><\/h3>\n\n\n\n

\u57c3\u6d1b\u77f3<\/span> <\/b>is a clay mineral of alumino-silicates with an approximate empirical composition of Al2Si2O5(OH)4. Based on this formula, its major components are aluminum (20.90%), silica (21.76), oxygen (55.78%), and hydrogen (1.56%).<\/span><\/span><\/p>\n\n\n\n

Typical halloysite formation occurs due to hydrothermal alteration of aluminosilicates. Therefore, halloysites can present alongside the mix of kaolinites, dickites<\/a>, montmorillonites, and other clay minerals<\/a>. Halloysites belong to the kaolinite-serpentine mineral group. Came from two distinct grandfathers and species, halloysites represent Halloysite-7\u00c5 and Halloysite-10\u00c5.\u00a0<\/span><\/p>\n\n\n\n