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| Aquamari | ||
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| Danburite | ||
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| Hessonite | ||
| Malaya | ||
| Rhodolite | ||
| Spessart. | ||
| Hambergi | ||
| Iolite | ||
| Orthoclas | ||
| Phenakit | ||
| Quartz | ||
| Ruby | ||
| Sapphire | ||
| Sa. Fancy | ||
| Sa. Pink | ||
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| Tourmalin | ||
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| Rhodolite | ||
| Ruby | ||
| Spessart. | ||
| Sap.Slice | ||
| Cab. Sapp | ||
| Tourmalin | ||
| Cat's eye | ||
| Green | ||
| Pink | ||
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| Polychro. | ||
| Rubellite | ||
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| Services SINGLE STONES PAIRS SETS CABOCHONS COLLECTOR'S DESIGNER'S |
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| Usually ships within 24 hours SEARCH FORM HELP INFO. FR TRACK ORDERS |
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| SPHENE NATURAL COLOR Hardness 5 - 5.5 |
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Next page »» SPHENE 1 ¦ SPHENE 10 - 51 CTS. ¦ Greenish-yellow SPHENE ¦ ORANGE-BROWN SPHENE ¦  Titanite Article |
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 Enlarge |
2.57 cts. sphene oval yellowish-orange. single
10.1 x 7.3 mm. Depth: 4.8 mm. Almost loupe clean. Enhancement: none (N) Untreated |
stone PRICE
SOLD ORIGIN: Madagascar ref:TIyo257 |
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0.54 cts. sphene oval yellow-green. round single
5.2 mm. Depth: 3.3 mm. (S.u.g.f. cut) Almost loupe clean. Enhancement: none (N) Untreated |
stone PRICE
USD 49.00 ORIGIN: Madagascar ref:TIgr054 |
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0.58 cts. sphene oval green. single
6.3 x 4.4 mm. Depth: 3 mm. Almost loupe clean. Enhancement: none (N) Untreated |
stone PRICE
USD 44.00 ORIGIN: Madagascar ref:TIgo058 |
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0.79 cts. sphene oval green. single
7.8 x 5 mm. Depth: 2.9 mm. (S.u.g.f. cut) Almost loupe clean. Enhancement: none (N) Untreated |
stone PRICE
USD 69.00 ORIGIN: Madagascar ref:TIgo079 |
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1.28 cts. sphene oval green. single
8 x 6.4 mm. Depth: 3.6 mm. (S.u.g.f. cut) Almost loupe clean. Enhancement: none (N) Untreated |
stone PRICE
USD 108.00 ORIGIN: Madagascar ref:TIgo128 |
 Enlarge |
1.72 cts. sphene oval green. single
8.4 x 6.7 mm. Depth: 4.2 mm. (S.u.g.f. cut) Almost loupe clean. Enhancement: none (N) Untreated |
stone PRICE
USD 179.00 ORIGIN: Madagascar ref:TIgo172 |
 Enlarge |
4.06 cts. sphene oval green. single
13.5 x 8.2 mm. Depth: 4.9 mm. Almost eye clean. Enhancement: none (N) Untreated |
stone PRICE
USD 940.00 ORIGIN: Madagascar ref:TIgo406 |
 Enlarge |
2.52 cts. sphene round yellow-green. round single
9 mm. Depth: 5.1 mm. Almost loupe clean.. Enhancement: none (N) Untreated |
stone PRICE
USD 378.00 ORIGIN: Madagascar ref:TIyr252 |
 Enlarge |
2.58 cts. Chrome sphene oval yellow-green. round single
9.2 mm. Depth: 4.9 mm. Almost eye clean. Enhancement: none (N) Untreated |
stone PRICE
USD 646.00 ORIGIN: Madagascar ref:TIgr258 |
 Enlarge |
2.62 cts. sphene round yellow-green. round single
8.8 mm. Depth: 5.5 mm. Almost loupe clean.. Enhancement: none (N) Untreated |
stone PRICE
USD 392.00 ORIGIN: Madagascar ref:TIyr262 |
 Enlarge |
3.23 cts. sphene round yellow-orange. single
9.4 mm. Depth: 6 mm. Almost loupe clean. Enhancement: none (N) Untreated |
stone PRICE
USD 520.00 ORIGIN: Madagascar ref:TIyr323 |
 Enlarge |
2.79 cts. chrome sphene oval green. single
13.4 x 6.5 mm. Depth: 4.9 mm. Almost loupe clean. Enhancement: none (N) Untreated |
stone PRICE
USD 650.00 ORIGIN: Madagascar ref:TIgo279 |
 Enlarge |
3.00 cts. Chrome sphene pear green. single
11.4 x 8.7 x 4.8 mm. |
stone PRICE
USD 786.00 ORIGIN: Madagascar ref:TIgp300 |
 Enlarge |
3.09 cts. sphene oval green. single
10.8 x 8.4 mm. Depth: 5 mm. Almost loupe clean. Enhancement: none (N) Untreated |
stone PRICE
USD 719.00 ORIGIN: Madagascar ref:TIgo309 |
 Enlarge |
3.52 cts. Chrome sphene oval green. single
13.4 x 7.7 mm. Depth: 4.1 mm. Almost eye clean. Enhancement: none (N) Untreated |
stone PRICE
USD 824.00 ORIGIN: Madagascar ref:TIgo352 |
 Enlarge |
3.88 cts. sphene pear yellow-green. single
12.9 x 8.3 mm. Depth: 5.8 mm. Almost loupe clean. Enhancement: none (N) Untreated |
stone PRICE
USD 640.00 ORIGIN: Madagascar ref:TIyp388 |
 Enlarge |
4.06 cts. sphene pear green. single
13.5 x 8.5 x 5.8 mm. |
stone PRICE
USD 1070.00 ORIGIN: Madagascar ref:TIgp406 |
 Enlarge |
4.14 cts. sphene oval yellow-green. pear single
11.6 x 7.9 x 7 mm. NFL Almost loupe clean.. Enhancement: none (N) Untreated |
stone PRICE
USD 785.00 ORIGIN: Madagascar ref:TIygp414 |
 Enlarge |
4.93 cts. sphene oval yellow-green. single
12.4 x 10 mm. Depth: 5.4 mm. (S.u.g.f. cut) Almost loupe clean. Enhancement: none (N) Untreated |
stone PRICE
USD 709.00 ORIGIN: Madagascar ref:TIygo493 |
 Enlarge |
6.88 cts. sphene oval yellow-green. pear single
15.2 x 10.7 mm. Depth: 6.3 mm. Loupe clean. Enhancement: none (N) Untreated |
stone PRICE
USD 1545.00 ORIGIN: Madagascar ref:TIyp688 |
 Enlarge |
7.49 cts. Chrome sphene oval green. single
16.9 x 10.4 mm. Depth: 5.5 mm. Almost eye clean. Enhancement: none (N) Untreated |
stone PRICE
USD 4200.00 ORIGIN: Madagascar ref:TIgo749 |
 Enlarge |
8.12 cts. sphene oval yellow-green. single
16.6 x 9.9 mm. Depth: 6.5 mm. Loupe clean. Enhancement: none (N) Untreated |
stone PRICE
USD 1945.00 ORIGIN: Madagascar ref:TIyo812 |
 Enlarge |
8.18 cts. sphene oval yellow-green. single
16.8 x 9.1 mm. Depth: 7 mm. Almost loupe clean. Enhancement: none (N) Untreated |
stone PRICE
USD 1858.00 ORIGIN: Madagascar ref:TIyo818 |
| Next Page »» SPHENE 1 ¦ SPHENE 10 - 51 CTS.¦ Greenish-yellow SPHENE ¦ CABOCHON ¦ ORANGE-BROWN SPHENE ¦ SPHENE CRYSTAL ¦ | |
General Information |
|
| Chemical Formula: | CaTiSiO5 = CaTiOSiO4 |
| Composition: | Molecular Weight = 196.04 gm |
| Calcium 20.44 % Ca 28.61 % CaO | |
| Titanite Article |
Titanium 24.42 % Ti 40.75 % TiO2 |
| Silicon 14.33 % Si 30.65 % SiO2 | |
| Oxygen 40.81 % O | |
| ______ ______ | |
| 100.00 % 100.00 % = TOTAL OxIDE | |
| Empirical Formula: | CaTiSiO5 |
| Environment: | Magmatic, metamorphic and hydrothermal rocks. |
| IMA Status: | Approved IMA 1960 |
| Locality: | Laacher See and Eifel, Germany. Madagascar |
| Name Origin: | Named after its chemical composition of titanium. |
| Synonym: | Sphene, titanite |
