Quartzite is a non-foliated metamorphic rock that is produced by the metamorphism of sandstone. It is composed primarily of quartz. The specimen above is about two inches (five centimeters) across.
Industrial Hemp Facts. Industrial hemp is a variety of Cannabis sativa and is of the same plant species as marijuana. However, hemp is genetically different and distinguished by its use and chemical makeup. Industrial hemp refers to cannabis varieties that are primarily grown as an agricultural crop.
Hemp is often considered an environmental super fibre. Hemp fabric is made from the fibres in the herbaceous plant of the species cannabis sativa. Itâs a high-yield crop that produces significantly more fibre per acre than either cotton or flax.co Print. Hemp creates one of the most eco friendly fabrics in the world. Hemp requires no pesticides, crowds out weeds without herbicides, controls erosion of the topsoil, and produces oxygen. It is a renewable resource that can be cultivated in as little as 100 days and is the worldâs most versatile fiber.