Quartz is a silicate mineral—composed of silicon and oxygen—that is in abundance within the Earth’s crust. It can be found naturally as lumps of the just the mineral itself, or it can be present in a number of rocks—with the most common and well-known example being in granite (alongside feldspar and mica). While it is one of the most well-known minerals, this article is dedicated to looking at the different characteristics and properties which quartz has.
http://www.kaunited.com/quartz-stone/
Moissanite is a rare, naturally occurring mineral also known as silicon carbide. Named after Nobel Prize-winning chemist Dr. Henri Moissan, Moissanite was first discovered in 1893 at the site of a massive meteorite strike in Arizona. Scientists in Research Triangle Park, North Carolina later developed the thermal growing process that creates silicon carbide crystals, which are fashioned into Moissanite gemstones.http://www.jiangyuanjewelry.co....m/silver-moissanite-
If you’re a beginner or need a refresher, then we’ll explain a little more about single-head machines and their purpose in embroidery manufacturing. The easiest way to identify a single-head embroidery machine is by how many stitch heads it has. It’s simple – a single-head embroidery machine only has one embroidery head. The embroidery head stays stationary and the embroidery arm moves according to the digitised design.
http://www.honposz.com/single-....head-embroidery-mach
How to choose the right mold types for concrete craft and what the options are. The world of concrete crafts-making can be complicated, so it’s important to understand which projects require certain concrete mold materials. You see, there are tons of different items you can use as molds for concrete crafts. However, choosing the right material for your mold is going to make all the difference in whether or not your cement craft project is successful.
http://www.hongshik.com/concrete-stone-mold/
Stand up paddle boarding (SUP) originated in Hawaii in the 50's and is a mixture of both surfing and paddling. It is an emerging recreational activity which has attracted attention for its proposed fitness, strength and balance benefits. Anecdotally, SUP is thought to be a beneficial clinical training tool as it possesses many facets of an ideal rehabilitative exercise. However our recent review of the literature has identified minimal scientific evidence to substantiate the proposed benefits.
http://www.electric-supboard.c....om/stand-up-paddle-b
