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Pectolite from
N'Chwaning III Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa


Locality type:Mine
Classification
Species:Pectolite
Formula:NaCa2Si3O8(OH)
Chemical Analyses:
Oxide wt%:
12
SiO254.21 %53.87 %
Mn2O3*0.06 % %
MnO*1.04 %1.51 %
CaO32.20 %31.93 %
SrO0.22 %0.16 %
Na2O9.03 %8.76 %
Li2O (est. stoichiometry0.22 %0.28 %
H2O (by stoichiometry)2.70 %2.69 %
P2O50.02 %0.03 %
ZrO20.04 %0.01 %
Fe2O3*0.01 % %
NiO0.01 % %
MgO0.02 %0.03 %
K2O0.01 %0.01 %
Cr2O3 %0.01 %
FeO* %0.03 %
Total:99.79 %99.32 %
Empirical formulas:
1(Na0.94Li~0.05?Sr0.01)(Ca1.91Mn2+0.05Na0.03)[Si3.00O8(OH)]
2(Na0.93Li~0.06?Sr0.01)(Ca1.91Mn2+0.07Na0.02)[Si3.00O8(OH)]
Sample references:
1FKM-173 pt. 41
2FKM-173 pt. 40
Comments:abundant crystals within quartz segregations in sugilite-rich rock
Luminescent properties:cathodoluminescence: pale yellow CL cores and bright yellow CL thin rims
Confirmation
Validity:Confirmed
Confirmation Methods:EPMA
Associated Minerals Based on Photo Data:
Sugilite5 photos of Pectolite associated with Sugilite at this locality.
Aluminosugilite3 photos of Pectolite associated with Aluminosugilite at this locality.
Quartz3 photos of Pectolite associated with Quartz at this locality.
Taniajacoite2 photos of Pectolite associated with Taniajacoite at this locality.
Namansilite2 photos of Pectolite associated with Namansilite at this locality.
Hematite2 photos of Pectolite associated with Hematite at this locality.
Norrishite2 photos of Pectolite associated with Norrishite at this locality.
Braunite-II2 photos of Pectolite associated with Braunite-II at this locality.
Data
Mineral Data:Click here to view Pectolite data
Locality Data:Click here to view N'Chwaning III Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
Data Identifiers
Mindat Occurrence Record ID:1253917
Long-form Identifier:1:3:1253917:0
GUID (UUID V4):f0264c06-fbac-4238-ba68-7ffa862c7675
Nearest other occurrences of Pectolite
1.8km (1.1 miles) N'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
2.5km (1.5 miles) Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
References
Reference Search (possible matching items)
Report (issue)
Powder Pattern: N’Chwaning III mine, Northern Cape Province, Republic of South Africa. 2.895 (100), 2.713 (53)...4H2O. (2) N’Chwaning III mine, Northern Cape Province, Republic of South Africa; average electron microprobe...taniajacoite, pectolite, richterite, norrishite, namansilite. Distribution: From the N’Chwaning III mine, Kalahari...Kalahari Manganese Fields, Northern Cape Province, Republic of South Africa. Name: Honors Chinese geochemist...phyllosilicate mineral from the N'Chwaning III mine, Kalahari Manganese Fields, South Africa. Mineral. Mag., 83,
Report (issue)
Powder Pattern: N’Chwaning III mine, Kalahari manganese field, South Africa. 12.142 (100), 3.134 (38)...17] 99.39 (1) N’Chwaning III mine, Kalahari manganese field, South Africa; average electron microprobe...aegirine, pectolite, richterite, potassic-ferri-leakeite, lipuite. Distribution: From the N’Chwaning III mine...mine, Kalahari manganese field, Northern Cape province, South Africa. Name: Honors its finders, Tania Janse...owners of ‘‘Crystal Springs Minerals CC’’ in South Africa. Type Material: Mineral Museum, University of
Journal (article/letter/editorial)
mineral from the N’Chwaning III mine, Kalahari Manganese Fields, South Africa Xiangping Gu*1 , Hexiong...School of Geosciences and Info-Physics, Central South University, Changsha, Hunan 410083, China; 2Department...and 4Plot 968, Alheit, Kakamas 8870, Northern Cape, South Africa Abstract A new phyllosilicate mineral...N’Chwaning III mine, Kalahari Manganese Fields, Northern Cape Province, Republic of South Africa. It occurs...association with Mn-bearing sugilite, taniajacoite, pectolite, richterite, norrishite and namansilite. Lipuite
Book
talc vug in 1997, is 1.7 cm long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals...and pegmatitic environments. In the mid- l 970s, local historian-collector William J. Brunet set out to...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...which they called the Bentley Lake Road occurrence, south of Bancroft. Sharp, flattened rhombohedral ilmenite...Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's
 
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