1 Metabolism: Once ingested, most carbohydrates and complex sugars are broken down into the simple sugar glucose. 2  However, in the digestion of sucrose, both glucose and fructose are released into the bloodstream. 3  Glucose is the primary fuel utilized by the brain and working muscles.
TW is an abbreviation that denotes the total  weight of a diamond. Carat is the term to describe the weight of  any gemstone or a diamond. In jewellery pieces with more than â¦ one  diamond the carats may be described in terms of total carat weight.  This is the combined total carat weight of all the stones in the  piece.
Yttrium aluminium garnet (YAG), Y 3 Al 2 (AlO 4) 3, is used for synthetic gemstones. Due to its fairly high refractive index, YAG was used as a diamond simulant in the 1970s until the methods of producing the more advanced simulant cubic zirconia in commercial quantities were developed.ndradite is a calcium-iron garnet, Ca 3 Fe 2 (SiO 4) 3, is of variable composition and may be red, yellow, brown, green or black. The recognized varieties are topazolite (yellow or green), demantoid (green) and melanite (black).