The albite component increases while anorthic component decreases in detrital plagioclase.The plagioclase turned into an end - member component of albite.
Therefore, the albitization of plagioclase is shown in the early stage of diagenesis and albitization of potash feldspar appears only in the late stage of diagenesis.
Depending on the chemical composition the structural parameters of the melilite vary in the range between gehlenite and mernite.Melilitic separation and melilite as a primary phase are very rare.
" The properties...of moonstone...and its uses...in potion-making..." , he muttered, writing the words across the top of his parchment as he spoke them. " There."
Binns set us a foot-and-a-half-long essay on giant wars, Snape wants a foot on the use of moonstones, and now we've got a month's dream diary from Trelawney!
Tan sand is the most common, and it's made up of a rock called quartz that's been tinted by a chemical called iron oxide and another mineral called feldspar.
Harry realised that Hermione was looking sideways to see what grade he had received; he slid his moonstone essay back into his bag as quickly as possible, feeling that he would rather keep that information private.
" As oft he did, " Lord Nestor said. " The man was craven, but the favor Lady Lysa showed him made him insolent. She dressed him like a lord, gave him gold rings and a moonstone belt" .
（导航的）理论，最初是由丹麦考古学家托
尔德·拉姆斯库于1966年提出。
风暴（中英对照） 
社 
之上
屑中钠
石
战争，斯内普要
