ID - 7884514 TI - Structural morphology of alkali feldspars and zircon and oriented intergrowths causing asterism in gemstones. AU - Woensdregt, Cornelis Franciscus AU - Rijksuniversiteit Utrecht. PY - 1990 SN - 9071577252 DB - UniCat KW - Crystal growth KW - Feldspar KW - Rock-forming minerals KW - Silicate minerals KW - Zircon KW - Precious stones KW - Minerals KW - Silicates KW - Rockforming minerals KW - Crystals KW - Crystallization KW - Grain boundaries KW - Twinning (Crystallography) KW - Growth UR - https://www.unicat.be/uniCat?func=search&query=sysid:7884514 AB - ER -