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Kovaya Hills area, Kovaya Hills, Comobabi Mountains, Tohono O'odom (Papago) Indian Reservation, Pima Co., Arizona, USAi
Regional Level Types
Kovaya Hills areaArea
Kovaya HillsGroup of Hills
Comobabi MountainsMountain Range
Tohono O'odom (Papago) Indian ReservationReservation
Pima Co.County
ArizonaState
USACountry

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Key
Latitude & Longitude (WGS84):
32° North , 111° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
Locality type:


‡Ref.: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 179, 288.

Bideaux, R.A., et al (1960), Some new occurrences of minerals of Arizona, Arizona Geological Society Digest: 3: 53-56.

Occurrences North of the Kovaya Hills, North end, South Comobabi Mountains.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


3 valid minerals.

Detailed Mineral List:

Axinite-(Mn)
Formula: Ca2Mn2+Al2BSi4O15(OH)
Habit: Plates
Colour: Yellow
Description: Occurs in vesicles in andesite flow boulders being replaced by withamite variety of clinozoisite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 179, 288; Bideaux, R.A., et al (1960), Some new occurrences of minerals of Arizona, AZ Geol. Soc. Digest: 3: 53-56.
Clinozoisite
Formula: {Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Description: Occurs as vesicle fillings in andesite flow boulders. Variety withamite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 179; Bideaux, R.A., et al (1960), Some new occurrences of minerals of Arizona, AZ Geol. Soc. Digest: 3: 53-56.
Piemontite
Formula: {Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 179; Bideaux, R.A., et al (1960), Some new occurrences of minerals of Arizona, AZ Geol. Soc. Digest: 3: 53-56.

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
Axinite-(Mn)9.BD.20Ca2Mn2+Al2BSi4O15(OH)
Clinozoisite9.BG.05a{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Piemontite9.BG.05a{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)

List of minerals arranged by Dana 8th Edition classification

Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination
Axinite-(Mn)56.2.2.3Ca2Mn2+Al2BSi4O15(OH)
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Clinozoisite58.2.1a.4{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Piemontite58.2.1a.11{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)

List of minerals for each chemical element

HHydrogen
H Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)
H Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
H Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
BBoron
B Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)
OOxygen
O Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)
O Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
O Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
AlAluminium
Al Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)
Al Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Al Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
SiSilicon
Si Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)
Si Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Si Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
CaCalcium
Ca Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)
Ca Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Ca Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
MnManganese
Mn Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)
Mn Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)

Other Regions, Features and Areas containing this locality

North America
North America PlateTectonic Plate
USA

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