Calcite is actually clear or white. The peach color is actually from whatever impurities were present at the time that the crystal calcified.
Calcite meaning: The name Calcite comes from a 19th century German word, Calcit. That word, Calcit, comes from a Latin word, calx, which comes from the Latin root word, calcis. Calcis translates as lime; the stone, not the fruit. Lime is calcium-oxide. It's the chalk form of Calcite. John P. Calcite discovered Calcite in 185
Calcite metaphysical properties: Energetically, it helps kidneys to flush toxins.
Calcite tends to be opaque to translucent, but sometimes transparent. It has a waxy luster.
Here's a fun fact: Aragonite changes into calcite at 380–470°C.