Home | E-mail | Plant files |  Dictionary  | Search 

Quartz  [ Geology ]
Adjective: Quartziferous

Dictionary of botanic terminology - index of names

  Quartz is a hard glossy mineral made of silica ( silicon dioxide, SiO2 ), it is the second most common mineral in the Earth’s crust present in most rocks (particularly granite and sandstone)  
A very hard mineral composed of silica found worldwide in igneous, sedimentary, and metamorphic rocks, it forms the rocks quartzite (quartz rock) and sandstone, and makes most of the sand of the seashore. Usually colourless, transparent crystalline (can also be nearly any colour but is most often white, grey, pink, or light brown)
Quartziferous soil [ Pedology ]
  A soil containing or consisting mainly of quartz.  
The quartziferous soils are in general superficial and sandy, permeable and extremely nutrient poor. This results in a deeper soil profile. This soil are more or less acidic and usually give hospitality to an acidophilus specialized vegetation.




Old Cactuspedia home | E-mail | Photo gallery | Dictionary | Search 

Please note: this is an obsolete page Try the new Cactuspedia interface