Clestine: Purity (Grade): 85% min
Supply Capacity: 6,000 MT/Month
Size: 10-300 mm
Packing: bulk and Big Bag with 20’FCL (23-28 Ton Loading)
Color: white and blue crystaline
Moisture: Max 0.5%
Inspection: Container loading survey Quality-Quantity report in POL.
Port of Loading: Bandare Abbas IRAN (ShahidRajai Port).
Documents: Original SGS reports, Shipping B/L, CO, Commercial invoice, Packing List
Delivery: 30 Days
price: negotiation
Celestine or celestite is a mineral composed of strontium sulfate.
It is named because of its blue color. Celestine and the carbonate mineral strontianite are the main sources of the element strontium.
Celestine is mostly found in sedimentary rocks, often associated with gypsum, anhydrite and halite minerals.
This mineral is found all over the world, often in small amounts,Iran is one of the places where this mineral is found in high quality.
| Formula (repeating unit) |
SrSO4 sometimes contains minor calcium and/or barium |
| IMA symbol | Clt[1] |
| strunz classification | 7.AD.35 |
| crystal system | Orthorhombic |
| crystal class | Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) |
| space group | pnma |
| unit cell | a = 8.359 Å, b = 5.352 Å, c = 6.866 Å; Z = 4 |
| Formula (repeating unit) |
SrSO4 sometimes contains minor calcium and/or barium |
| Color | White, pink, pale green, pale brown, black, pale blue, reddish, greyish; colourless or lightly tinted in transmitted light |
| Crystal habit | Tabular to pyramidal crystals, also fibrous, lamellar, earthy, massive granular |
| Cleavage | Perfect on {001}, good on {210}, poor on {010} |
| Fracture | Uneven |
| Tenacity | Brittle |
| Mohs scale hardness | 3.0–3.5 |
| Luster | Vitreous, pearly on cleavages |
| Streak | white |
| Diaphaneity | Transparent to translucent |
| Specific gravity | 3.95–3.97 |
| Optical properties | Biaxial (+) |
| Refractive index | nα = 1.619–1.622 nβ = 1.622–1.624 nγ = 1.630–1.632 |
| Birefringence | δ = 0.011 |
| Pleochroism | Weak |
| 2V angle | Measured: 50°–51° |
| Dispersion | Moderate r < v |
| Ultraviolet fluorescence | yellow, white blue (both short and long UV) |