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| RHODIZITE NATURAL COLOR Hardness 8.5 |
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| 154 grms.2 Rhodizites on matrix Overall size of mineral specimen: 71x59 mm. individual crystals:12x 13 mm. (externally un damaged) Origin: Sahatany Valley, Madagascar. | 198 grms. 2 Rhodizites on matrix. Overall size of mineral specimen: 73 x 58 mm. individual crystals: 12x12 mm. (externally undamaged) Origin: Sahatany Valley, Madagascar. | 16.02 cts.15.5x15.5 mm.Rhodizite (externally slightly damaged) Origin: Madagascar. | ||
USD 185.00
ref:Rhozr154g
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USD 165.00
ref:Rhozr198g
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SOLD
ref:Rhozr1602
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| 17.14 cts. 15.8 x 15.4 mm.Rhodizite (externally slightly damaged) glossy Origin: Madagascar. | 3.81 cts. 9.8 x 9.5 mm.Rhodizite glossy Translucent.glossy Origin: Madagascar. | 11.68 cts. 13.9 x 13.5 mm.Rhodizite glossy (externally undamaged) Origin: Madagascar. | ||
| USD
120
.00 ref:Rhozc1714
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SOLD
ref:Rhozc381
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SOLD
ref:Rhozfc1168
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| 2.18 cts. 8.1 x 7.2 mm.Rhodizite glossy Origin: Madagascar. | 2.27 cts. 8.3 x 8.1 mm.Rhodizite glossy Translucent.Origin: Madagascar. | 2.29 cts. 8.6 x 6.1 mm.Rhodizite glossy (externally undamaged) Origin: Madagascar. | ||
| SOLD
ref:Rhozc218
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SOLD
ref:Rhozc227
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SOLD
ref:Rhozfc229
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| 2.81 cts. 8.6 x 8 mm.Rhodizite glossy Origin: Madagascar. | 3.23 cts. 9.3 x 9.3 mm.Rhodizite glossy (externally undamaged) Origin: Madagascar. | 3.61 cts. 9.6 x 9.6 mm.Rhodizite glossy (externally undamaged) Origin: Madagascar. | ||
| USD
35
.00 ref:Rhozc281
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SOLD
ref:Rhozc323
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SOLD ref:Rhozfc361
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| 4.04 cts. 9.6 x 9.6 mm.Rhodizite Translucent glossy Origin: Madagascar. | 4.77 cts. 10.5 x 10.5 mm.Rhodizite glossy (externally undamaged) Translucent.Origin: Madagascar. | 5.20 cts. 10.9 x 10.6 mm.Rhodizite glossy (externally undamaged) Origin: Madagascar. | ||
| SOLD
ref:Rhozc404
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SOLD ref:Rhozc477
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USD
73
.00
ref:Rhozfc520
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| 7.35 cts. Rhodizite 11x11 mm. (externally undamaged) Origin: Madagascar. | 12 grms. Rhodizite on matrix.Overall size of mineral specimen: 31 x 27 mm. individual crystal: 8x9 mm. (externally undamaged) Origin: Madagascar. | 17.33 cts.Rhodizite on matrix .Overall size of mineral specimen: 21x12 mm. individual crystal:10.6x11.4 mm.(externally undamaged) Origin: Madagascar. | ||
| SOLD
ref:Rhozr735
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USD 85.00
ref:Rhozr12g
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SOLD
ref:Rhozr1733
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| 58 grms. Rhodizite on matrix.Overall size of mineral specimen: 58x32 mm. individual crystal:6.6x6 mm.(externally undamaged) Origin: Madagascar. | 44 grms. Rhodizite on matrix with rubellite.Overall size of mineral specimen: 43 x34 mm. individual crystal: 10.6x8.7 mm. (externally undamaged) Origin: Madagascar. | 14 grms. Rhodizite on matrix with rubellite.Overall size of mineral specimen: 30 x25 mm. individual crystasl: 8.5x7 mm. & 16.5 x 13 mm.(externally undamaged) Origin: Madagascar. |
| USD 85.00
ref:Rhozr58g
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USD 125.00
ref:Rhozr44g
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USD
195.00
ref:Rhozr14g
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| 144 grms. Rhodizite on matrix.Overall size of mineral specimen: 58x52 mm. individual crystal:10.8x10 mm.(externally undamaged) Origin: Madagascar. | 186 grms. Rhodizite on matrix. Overall size of mineral specimen: 75 x 50 mm. individual crystals: 15.5 x 14 mm. (externally undamaged) Origin: Madagascar. | 36 grms. Rhodizite on matrix. Overall size of mineral specimen: 32 x 33 mm (individual crystals: 14 x 12 mm.externally damaged) Origin: Madagascar. |
| USD 85.00
ref:Rhozr58g
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USD 280.00
ref:Rhozr186g
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USD 150.00
ref:Rhozr36g
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| 232 grms.Rhodizites on matrix Overall size of mineral specimen: 85 x 60 mm. individual group of crystals: 29.5 x 24.5 mm. (externally un damaged) Origin: Sahatany Valley, Madagascar. | 180 grms. 2 Rhodizites on matrix. Overall size of mineral specimen: 60 x 60 mm. individual crystal: 11 x 11 mm. (externally undamaged) Origin: Sahatany Valley, Madagascar. | 306 grms. 2 Rhodizites on matrix. Overall size of mineral specimen: 80 x 58 mm. individual crystal: 17.5 x 17 mm. (externally undamaged) Origin: Sahatany Valley, Madagascar. Enlarge | |
| USD 700.00
ref:Rhozr232g
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USD 76.00
ref:Rhozr180g
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USD 720.00
ref:Rhozr306g
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| 52 grms.2 Rhodizites on matrix Overall size of mineral specimen: 50 x 26 mm. individual crystals: 20 x 12.5 mm. (externally un damaged) Origin: Sahatany Valley, Madagascar. | 54 grms. 2 Rhodizites on matrix. Overall size of mineral specimen: 50x 40 individual crystals: 22x16.5 mm.(externally damaged) Origin: Sahatany Valley, Madagascar. | 64 grms. Rhodizite on matrix. Overall size of mineral specimen: 50 x 30 mm. individual crystals: 8.5 x 7.5 mm. (externally undamaged) Origin: Madagascar. |
| USD 75.00
ref:Rhozr52g
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USD 110.00
ref:Rhozr54g
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SOLD
ref:Rhozr64g
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| 72 grms. Rhodizite on matrix Overall size of mineral specimen: 35 x 30 mm. individual crystals: 9 x 9 mm. (externally un damaged) Origin: Sahatany Valley, Madagascar. | 140 grms. Rhodizite on matrix. Overall size of mineral specimen: 75 x 35 mm. individual crystals: 20 x 15.7 mm. (externally undamaged) Origin: Sahatany Valley, Madagascar. | 102 grms. Rhodizite on matrix. Overall size of mineral specimen: 60 x 50 mm. individual crystal: 12.5 mm (externally undamaged) Origin: Madagascar. | ||
| USD
75.00
ref:Rhozr72g
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USD 700.00
ref:Rhozr140g
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USD 100.00
ref:Rhozr102g
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| 6.97 cts. 10.3 x 11.5 mm.Rhodizite Translucent Origin: Madagascar. | 4.87 cts. 10.7 x 9.9 mm.Black Rhodizite glossy Translucent.Origin: Madagascar. | 5.10 cts. 10.2 x 9.8 mm.Black Rhodizite TranslucentOrigin: Madagascar. | ||
| USD
95.00 ref:Rhozc697
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SOLD
ref:Rhoznc487
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USD
69.00 ref:Rhozfnc510
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| 5.89 cts. 12.1 x 10 mm.Rhodizite lustrous (externally un damaged) Origin: Madagascar. | 6.68 cts. 11.6 x 11.7 mm.Rhodizite glossy Translucent.Origin: Madagascar. | 6.82 cts. 11.2 x 11.2 mm.Rhodizite opaque (externally undamaged) Origin: Madagascar. | ||
| SOLD
ref:Rhozc589
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SOLD
ref:Rhozc668
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SOLD ref:Rhozfc682
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| 7.03 cts.12.2 x 12.4 mm.Rhodizite (externally slightly damaged) Origin: Madagascar. | 3.74 cts.x mm.Rhodizite (externally slightly damaged) Origin: Madagascar. | Aprox 1.2 ct. .6x6 mm. 1 pce & Aprox 2.2 cts.7 x 7 mm. 1 pce Rhodizite (externally undamaged) Origin: Madagascar. |  |
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| Pick it up from the lot: Sample | Enlarge | |||||
| SOLD
ref:Rhozc703
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SOLD
ref:Rhozc374
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USD 6
.00
ref:Rhozflot6$
USD
9 .00
ref:Rhozflot9$
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To purchase a stone from this site click to ORDER
General information |
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| Chemical Formula: | (K,Cs)Al4Be4(B,Be)12O28 | ||
| Composition: | Molecular Weight = 778.83 gm | ||
| Cesium 4.27 % Cs 4.52 % Cs2O | |||
| Potassium 3.77 % K 4.54 % K2O | |||
| Beryllium 8.10 % Be 22.48 % BeO | |||
| Aluminum 13.86 % Al 26.18 % Al2O3 | |||
| Boron 12.49 % B 40.22 % B2O3 | |||
| Oxygen 57.52 % O | |||
| ______ ______ | |||
| 100.00 % 97.95 % = TOTAL OXIDE | |||
| Empirical Formula: | K0.75Cs0.25Al4Be412(B0.75)12(Be0.25)O28 | ||
| IMA Status: | Approved IMA 1965 | ||
| Locality: | Sahanivotry, Sahatany Valley, Madagascar. | ||
Rhodizite Image |
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Crystallography |
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| Cell Dimensions: | a = 7.317, Z = 1; V = 391.74 Den(Calc)= 3.30 | ||
| Crystal System: | Isometric - Hextetrahedral H-M Symbol (-4 3m) Space Group: P43m- | ||
| X Ray Diffraction: | By Intensity(I/Io): 2.983(1) 2.44(0.5) 3.27(0.5) | ||
Physical Properties |
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| Cleavage: | [???] Indistinct | ||
| Color: | colorless, grayish, yellow, yellowish white, or white. | ||
| Density: | 3.44 | ||
| Diaphaniety: | Transparent to Translucent | ||
| Fracture: | Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). | ||
| Hardness: | 8.5 - Chrysoberyl | ||
| Luster: | Vitreous - Adamantine | ||
| Streak: | white | ||
Optical Properties |
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| Optical Data: | Isotropic, n=1.6935. | ||
Classification |
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| Dana Class: | Anhydrous Borates Containing Hydroxyl or Halogen | ||
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| Strunz Class: | Nitrates, Carbonates and Borates | ||
| Shelly borates with [BO2]1- to [B6O10]2- | |||
| Nitrates, Carbonates and Borates [Shelly borates with [BO2]1- to [B6O10]2- {Hambergite - Rhodizite series}] | |||
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