“Limonite (after pyrite, which you can see in some of the crystal centers) - close-up of brown crystals to 5 mm within quartz. All of the images are from the same host rock which I busted open to expose crystals. Self collected on 6/29/13 off a dirt road near Komi.”

“Limonite (after pyrite, which you can see in some of the crystal centers) - close-up of brown crystals to 5 mm within quartz. All of the images are from the same host rock which I busted open to expose crystals. Self collected on 6/29/13 off a dirt road near Komi.”

“Limonite (after pyrite, which you can see in some of the crystal centers) - close-up of brown crystals to 5 mm within quartz. All of the images are from the same host rock which I busted open to expose crystals. Self collected on 6/29/13 off a dirt road near Komi.”

“Limonite (after pyrite, which you can see in some of the crystal centers) - close-up of brown crystals to 5 mm within quartz. All of the images are from the same host rock which I busted open to expose crystals. Self collected on 6/29/13 off a dirt road near Komi.”

“Limonite (after pyrite, which you can see in some of the crystal centers) - close-up of brown crystals to 5 mm within quartz. All of the images are from the same host rock which I busted open to expose crystals. Self collected on 6/29/13 off a dirt road near Komi.”