Qeltite (original) (raw)
A valid IMA mineral species
Formula:
Ca3TiSi2(Fe3+2Si)O14
Colour:
light-brown color with a red hue
Lustre:
Sub-Adamantine, Vitreous
Specific Gravity:
3.48 (Calculated)
Name:
The mineral is named after the Wadi Qelt in the close vicinity of the qeltite type locality Nabi Musa, Judean Desert, Palestine.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:55545:4
f8810711-0522-458d-9bc6-3900814c16dd
IMA Classification of QeltiteHide
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Approved, Pending publication
Classification of QeltiteHide
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9.HA.42
9 : SILICATES (Germanates)
H : Unclassified silicates
A : With Alkali and Alkali-earth Elements
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Qlt | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of QeltiteHide
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Colour:
light-brown color with a red hue
Hardness:
VHN25=708(17) kg/mm2 - Vickers
Fracture:
Irregular/Uneven, Conchoidal
Density:
3.48 g/cm3 (Calculated)
Optical Data of QeltiteHide
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RI values:
_n_ω = 1.850(5) _n_ε = 1.900(5)
δ = 0.050
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Comments:
light-colored, pink along Z and intensively-colored, red-brown along X/Y
Chemistry of QeltiteHide
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Mindat Formula:
Ca3TiSi2(Fe3+2Si)O14
Crystallography of QeltiteHide
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Class (H-M):
32 - Trapezohedral
Cell Parameters:
a = 8.0077(5) Å, c = 4.9956(4) Å
Unit Cell V:
277.42 ų (Calculated from Unit Cell)
Morphology:
Rarely, tabular qeltite crystals with inclusions of fluorapatite and hematite more than 100 µm in length and about 10 µm in thickness are noted.
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 6.935 Å | (31) |
| 4.004 Å | (13) |
| 3.124 Å | (100) |
| 2.849 Å | (61) |
| 2.621 Å | (27) |
| 2.321 Å | (45) |
| 1.923 Å | (13) |
| 1.808 Å | (30) |
Type Occurrence of QeltiteHide
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General Appearance of Type Material:
flattened crystals up to 40–50 µm in length and less than 5 µm in thickness. Its aggregates reach 100–200 µm in size.
Place of Conservation of Type Material:
collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Leninskiy Prospekt 18-2, Moscow 119071, Russia, registration number 5695/1
Geological Setting of Type Material:
gehlenite-rankinite-wollastonite paralava from a pyrometamorphic rock of the Hatrurim Complex
Associated Minerals at Type Locality:
Synonyms of QeltiteHide
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Related Minerals - Strunz-mindat GroupingHide
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| 9.HA. | Kalyuzhnyite-(Ce) | NaKCaSrCeTi(Si8O21)OF(H2O)3 | Mon. 2/m : _P_2/b |
|---|---|---|---|
| 9.HA. | Shinichengite | Ca5[BSi2O7(OH)2]2 · 6H2O | Tric. 1 : _P_1 |
| 9.HA. | Moragite | Ca3TiSi2(Al2Si)O14 | Trig. 32 : _P_321 |
| 9.HA.05 | Ertixiite | Na2Si4O9 | Iso. |
| 9.HA.10 | Kenyaite | Na2Si22O41(OH)8 · 6H2O | Mon. |
| 9.HA.20 | Wawayandaite | Ca6Mn2BBe9Si6O23(OH,Cl)15 | Mon. |
| 9.HA.25 | Magbasite | KBaFe3+Mg7Si8O22(OH)2F6 | Orth. m m m _(_2/_m_2/_m_2/m ) : C m m a |
| 9.HA.35 | Demagistrisite | BaCa2Mn3+4(Si3O10)(Si2O7)(OH)4 · 3H2O | Orth. m _m_2 : A m _m_2 |
| 9.HA.37 | Donwilhelmsite | CaAl4Si2O11 | Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c |
| 9.HA.40 | Igumnovite | Ca3Al2[SiO4]2[◻Cl4] | Iso. |
| 9.HA.40 | Kasatkinite | Ba2Ca8B5Si8O32(OH)3 · 6H2O | Mon. |
| 9.HA.42 | Paqueite | Ca3TiSi2(Al,Ti,Si)3O14 | Trig. 32 : _P_321 |
| 9.HA.45 | Rippite | K2(Nb,Ti)2(Si4O12)O(O,F) | Tet. |
| 9.HA.47 | Zagamiite | CaAl2Si3.5O11 | Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c |
| 9.HA.50 | α-Carnegieite | NaAlSiO4 | |
| 9.HA.50 | Rudenkoite | Sr3(Al3.5Si3.5)O10(OH,O)8Cl2 · H2O | Mon. |
| 9.HA.52 | Atheriastite | near Ca5MgFeAl6Si8O32 · 5H2O | |
| 9.HA.55 | Balvraidite | ||
| 9.HA.55 | Foshallasite | Ca3[Si2O7] · 3H2O(?) | |
| 9.HA.57 | Bhreckite | Ca, Mg, Fe, Si, O, H | |
| 9.HA.60 | Bravaisite | ||
| 9.HA.60 | Nagelschmidtite | Ca7(SiO4)2(PO4)2 | Hex. 6 : _P_61 |
| 9.HA.65 | Caryochroite | [Na(Sr0.5Ca0.5)Mg]3[Fe3+8Mn(Fe2+0.5◻0.5)]10(Ti2Si12O37)(OH)14(H2O)3 | Mon. 2/m |
| 9.HA.70 | Juanite | Ca10Mg4Al2Si11O39 · 4H2O or near | Orth. |
| 9.HA.75 | Tacharanite | Ca12Al2Si18O33 (OH)36 | Mon. |
| 9.HA.80 | Oyelite | Ca10Si8B2O29 · 12.5H2O | Tric. 1 : _P_1 |
| 9.HA.85 | Denisovite | K14+x(Ca,Na,Mn,Fe)48[Si60O162]F16(Ox,OH4-x) · 2H2O | Mon. |
| 9.HA.90 | Tiettaite | K4Na12Fe3+Si16O41(OH)4 · 2H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : C m c m |
Other InformationHide
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Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for QeltiteHide
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References for QeltiteHide
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Localities for QeltiteHide
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This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the 
symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
Locality ListHide
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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. 
- Good crystals or important locality for species. 
- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
| Israel | |
|---|---|
| Southern District (HaDarom District) Tamar Regional Council Hatrurim Basin ⓘ Halamish wadi (Ẕuq Tamrur) | Galuskina IO |
| ⓘ Road no. 31 | Galuskina IO |
| Palestine (TL) | |
| West Bank Jericho Governorate ⓘ Nabi Musa (TL) | Galuskina IO +1 other reference |