Huge, transparent, gem-quality crystals are found there. Topaz has also come from the Ural Mountains of Russia, Mexico and the U.S. (Texas, Colorado and Utah). Topaz is often confused with the less valuable citrine. Topaz is a very hard gemstone but it can be split with a single blow, a trait it shares with diamond. Any Topaz labeled with a prefix name (such as Gold Topaz, Madeira Topaz, False Topaz, Brazilian Topaz, Bahia Topaz, and Citrine Topaz) is heat-treated Citrine.
Dietary collagen is available from the following sources: 1  Piscine (fish). 2  PROS: Collagen peptides from fish are considered to be superior in raising overall body collagen (Type 1) and improving skin, hair, nail, and bone quality. 3  CONS: Fish collagen peptides generally cost more than other sources of collagen.
Pure Marine Collagen Peptide supplement is made from fish skin collagen through an enzymatic hydrolysis process and is pre-digested into components with a low molecular weight amino acids for optimal absorption and utilization by the body.