Unformatted text preview: and solid? An 65 (solid) and An 38 (liquid) (5) Assume that half of the melt crystallizes and then the volcano erupts so that the crystals are embedded in a glass matrix. What is the composition of the crystals? What is the composition of the glass? An65 (Crystals), Glass = Na 0.62 Ca 0.38 Al 1.38 Si 2.62 O 8 (note: this is not a crystal, so you should not use the An xx notation)....
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- Spring '11
- Composition, Glass, Crystal, Melt