Epidote (silicates): Taramellit
Diagnostic Card.
Ba 2(Fe 2+, Ti, Fe 3+ ) (OH) 2 Si 4 O 12
Crystal system orthorhombic
5.5 Hardness
Specific gravity 3.9
Cleavage is perfect for pinacoid
Color light brown-red
Shine from silky to fat
Presented in small elongated crystals light brown-red color, combined in units of radiant structure. In taramellita silky luster, tending to fatty, perfect cleavage on pinacoid.
Diagnostic features.
The acid-insoluble. It breaks the processing of potassium sulphate. Colors the flame of a candle in a yellow-green color, indicating the presence of barium.
Place of Birth.
Meeting in the crystalline limestones of Candolim in Val d'Ossola.
- Gatchell - "New Almadén snag" - arsenide and antimony sulfide (modern sulphosalts)
- Antimony - toxic metal (semi-metal) are widely used in industry, medicine and engineering
- Zirconium - a rare and non- metal and dangerous jewel in the oxide and salts
- Gold - yellow dangerous and toxic metal -date and accurate digital cable technology
- Sulphur - a golden-yellow toxic substance and a sign of volcanic activity
- Cadmium - a toxic uncirculated unknown wide range of people silvery metal
- Lead - a poisonous gray simulator silver metal and toxic metal snag
- Arsenic - poison classic medieval and modern poisoners and medicine in medicine
Toxic and hazardous radioactive rocks and minerals
** - Poisonous stones and minerals (obligatory check in chemical laboratory + clear indication of toxicity)
** - Radioactive rocks and minerals (obligatory check on a regular dosimeter + ban on the open sale of radioactivity in the event of more than 24 mR / hour + additional measures to protect the population)
Catalog minerals and gems in groups of the world
** - Poisonous stones and minerals
** - Radioactive rocks and minerals
Comments
Commenting, keep in mind that the content and the tone of your messages can hurt the feelings of real people, show respect and tolerance to his interlocutors, even if you do not share their opinion, your behavior in terms of freedom of speech and anonymity offered by the Internet, is changing not only virtual, but real world. All comments are hidden from the index, spam control.