Log In
C-Block Mine, Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzaniai
| Regional Level Types | |
|---|---|
| C-Block Mine | Mine |
| Merelani Hills | Group of Hills |
| Lelatema Mountains | Mountain Range |
| Simanjiro District | District |
| Manyara Region | Region |
| Tanzania | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
3° South , 37° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
Type:
Köppen climate type:
A gem (Tanzanite) mine.
This is the main commercial mine (over a million carats per year). Three shafts reach a maximum depth of 300 meters.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Graphite Formula: C References: |
| ✪ Zoisite Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) Habit: Elongated prisms Colour: Blue, red Description: Largest gem grade crystal (called "Mawenzi") is 7x8x22cm and weighs 16839 carats (> 3kg) |
| ✪ Zoisite var. Tanzanite Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) Habit: Elongated prisms Colour: Blue, red Description: Largest gem grade crystal (called "Mawenzi") is 7x8x22cm and weighs 16839 carats (> 3kg) |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Graphite | 1.CB.05a | C |
| Group 9 - Silicates | |||
| ⓘ | Zoisite var. Tanzanite | 9.BG.10 | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
| ⓘ | 9.BG.10 | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Zoisite var. Tanzanite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
| H | ⓘ Zoisite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
| C | Carbon | |
| C | ⓘ Graphite | C |
| O | Oxygen | |
| O | ⓘ Zoisite var. Tanzanite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
| O | ⓘ Zoisite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
| Al | Aluminium | |
| Al | ⓘ Zoisite var. Tanzanite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
| Al | ⓘ Zoisite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
| Si | Silicon | |
| Si | ⓘ Zoisite var. Tanzanite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
| Si | ⓘ Zoisite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
| Ca | Calcium | |
| Ca | ⓘ Zoisite var. Tanzanite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
| Ca | ⓘ Zoisite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
Other Regions, Features and Areas containing this locality
AfricaContinent
- East African Rift System (EARS)Zone (Tectonic)
African Plate
- Tanzanian Eastern GranulitesOrogenic Belt
Somali PlateTectonic Plate
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders
for access and that you are aware of all safety precautions necessary.

C-Block Mine, Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania