The specimen consists of 1 to 2 cm long crystals of dog-tooth calcite on an earthy matrix. The fluorescence activator is probably the classic manganese and lead combination.
Subscribe to:
Post Comments (Atom)
skip to main |
skip to sidebar
Latest site of the week
Followers
Blog Archive
-
▼
2009
(52)
-
▼
January
(20)
- FLUOBORITE, Bodnar Quarry, Edison, New Jersey, USA
- ADAMITE, Ojuela Mine, Mapimi, Mexico
- GYPSUM, Compiègne, Paris, France
- CALCITE and WILLEMITE, Franklin, New Jersey, USA
- GYPSUM, Saragossa, Spain
- CALCITE, Rio Grande do Sul, Brazil
- ZIRCON, Matongo, Burundi
- WAVELLITE
- "The Gem Hunter in Afghanistan"
- Pearls: very cultured
- The colourful world of the garnets
- Garnet
- Prehnite from South Africa:
- Color-Change Sapphire from Tanzania:
- Tsavorite Garnet from Tanzania:
- Unheated Sapphire from Tanzania, Madagascar and Th...
- Ruby Cabochons from Madagascar:
- Chrysocolla from Mexico
- Rutile Quartz from India
- New and Interesting Gems -- updated January 21st
-
▼
January
(20)
No comments:
Post a Comment