This mineral looks like specks of grey and can easily contain large quantities of air. La vermiculite est un minéral naturel de la famille des phyllosilicates de formule chimique 0,768o22(oh)4.8h2o formé par l'hydratation de certains minéraux basaltiques, et souvent associé dans la nature à l'amiante. Any of a group of platy minerals, hydrous silicates of aluminum, magnesium, and iron, that expand markedly on being heated:
vermiculite définition C'est quoi
Vermiculite n any of a group of micaceous minerals consisting mainly of hydrated silicate of magnesium, aluminium, and iron:
Used for insulation, water adsorption, etc.
1 n any of a group of yellow or brown hydrous silicate minerals having a micaceous structure type of: Exfoliation occurs when the mineral is heated sufficiently, and the effect is routinely produced in commercial furnaces. Mineral solid homogeneous inorganic substances occurring in nature having a definite chemical composition Vermiculite for gardening by jeanne grunert master gardener reviewed by master gardener:
Vermiculite is a hydrous, silicate mineral that is classified as a phyllosilicate and that expands greatly when heated.
Used in the expanded state for heat insulation and as a plant growth medium. Vermiculite is a natural mineral that is often placed in potting soil to enhance a plant’s growth by boosting aeration while encouraging water drainage. Not unlike perlite, vermiculite adds a plethora of nutrients to the plant, including calcium, magnesium, and potassium. These properties allow vermiculite to be used to make numerous products, including attic insulation.
It consists of thin, flat flakes containing microscopic layers of water.
Used in the expanded state for heat insulation and as a plant growth medium. Vermiculite definition, any of a group of platy minerals, hydrous silicates of aluminum, magnesium, and iron, that expand markedly on being heated: Vermiculite is a mineral in the phyllosilicate group and resembles mica in appearance. Definition of vermiculite in english:
Noun vermiculite any of a number of very soft, monoclinic, hydrous silicate minerals resulting usually from alterations of mica and occurring in tiny, leafy scales that expand greatly when heated:
The chemical exfoliation of vermiculite produces microscopic, individual. Vermiculate definition, to work or ornament with wavy lines or markings resembling the form or tracks of a worm. Vermiculite is commonly known for its ability to greatly expand when subjected to heat. Vermiculite describes a class of hydrated laminar minerals, which take on the appearance of mica.
Marked with irregular fine lines or with wavy impressed lines a vermiculate nut.
Retrouvez la définition de vermiculite. ‘clay minerals are mainly illite and chlorite, with only traces of smectite,. Il possède des propriétés d'expansion sous l'effet de la chaleur, et est principalement utilisé commercialement sous forme exfoliée. On heating they expand and exfoliate and in this form are used in heat and sound insulation, fireproofing, and as a bedding medium for young plants
