April 22, 2007

• Quartz 2

April 21, 2007

• Quartz

April 20, 2007

• National gem collection

April 19, 2007

• Gachala emerald

April 18, 2007

• Emerald

April 17, 2007

• Beryl colors

April 16, 2007

• Common and uncommon gemstones

April 15, 2007

• Beryl

April 14, 2007

• Sri Lanka

April 13, 2007

• Hindu lore rubies