Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.

Locality Name:
Crooker Gem Pegmatite Quarries (includes Former Crooker Quarry; Blue Pit; Plumbago Prospects; Grand Canyon Prospect; Martin Prospect; Big Blue Prospect; Vandelight Ledge Prospect; Stanley Prospect; Several Unnamed Prospects), Newry, Oxford Co., Maine, USA

mindat Locality ID: 3798
mindat URL: http://www.mindat.org/loc-3798.html

Tectonic Settings:

Total number of sublocalities beneath "Crooker Gem Pegmatite Quarries (includes Former Crooker Quarry; Blue Pit; Plumbago Prospects; Grand Canyon Prospect; Martin Prospect; Big Blue Prospect; Vandelight Ledge Prospect; Stanley Prospect; Several Unnamed Prospects), Newry, Oxford Co., Maine, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 44°32'39"N
Longitude: 70°43'25"W
Decimal Degree (lat, lon): 44.544166666667,-70.723611111111

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
	This mineral's age has not yet been recorded.

Amorphous	Amphibole	Analcime	Apatite	Arseniosiderite	Arthurite	Autunite	Beryl	Calcite	Childrenite
Chlorite	Clay	Columbite	Coronadite	Corrensite	Corundum	Diaspore	Feldspar	Fluorite	Gadolinite
Garnet	Jahnsite	Laueite	Meta-autunite	Mica	Nickeline	None	Not in a structural group	Olivine	Phosphosiderite
Phosphuranylite	Pyrite	Pyroxene	Quartz	Rockbridgeite	Roscherite	Rutile	Schoepite	Smectite-vermiculite	Stewartite
Strunzite	Tourmaline	Vivianite	Zircon

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al B Ba Be C Ca Cs F Fe H K Li Mg Mn Na Nb O P S Si Sn Sr Ta U Zr

Elements from minerals reported directly at this locality: Al B Ba Be C Ca Cs F Fe H K Li Mg Mn Na Nb O P S Si Sn Sr Ta U Zr

Structural Groups for minerals in this locality:
Amorphous Amphibole Analcime Apatite Arseniosiderite Arthurite Autunite Beryl Calcite Childrenite
Chlorite Clay Columbite Coronadite Corrensite Corundum Diaspore Feldspar Fluorite Gadolinite
Garnet Jahnsite Laueite Meta-autunite Mica Nickeline None Not in a structural group Olivine Phosphosiderite
Phosphuranylite Pyrite Pyroxene Quartz Rockbridgeite Roscherite Rutile Schoepite Smectite-vermiculite Stewartite
Strunzite Tourmaline Vivianite Zircon

60 IMA Minerals at location:

Actinolite ()*	Albite ()*	Almandine ()*	Annite ()*	Autunite ()*
Bermanite ()*	Bertrandite ()*	Beryl ()*	Cassiterite ()*	Columbite-(Fe) ()*
Columbite-(Mn) ()*	Cookeite ()*	Cryptomelane ()*	Diadochite ()*	Dravite ()*
Elbaite ()*	Eosphorite ()*	Fluorapatite ()*	Foitite ()*	Goethite ()*
Hematite ()*	Heterosite ()*	Hydroxylapatite ()*	Hydroxylherderite ()*	Jahnsite-(CaMnFe) ()*
Laueite ()*	Magnesio-hornblende ()*	Meta-autunite ()*	Microcline ()*	Mitridatite ()*
Montebrasite ()*	Montmorillonite ()*	Muscovite ()*	Opal ()*	Phosphosiderite ()*
Phosphuranylite ()*	Pollucite ()*	Pseudolaueite ()*	Pyrite ()*	Pyrrhotite ()*
Quartz ()*	Rhodochrosite ()*	Rockbridgeite ()*	Schoepite ()*	Schorl ()*
Siderite ()*	Spodumene ()*	Stewartite ()*	Strunzite ()*	Tantalite-(Mn) ()*
Todorokite ()*	Tosudite ()*	Triphylite ()*	Uraninite ()*	Uranophane-α ()*
Vivianite ()*	Whitmoreite ()*	Xanthoxenite ()*	Zanazziite ()*	Zircon ()*

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	2353
Annite ()*	Mica Clay	KFe²⁺₃(AlSi₃O₁₀)(OH)₂	356
Autunite ()*	Autunite	Ca(UO₂)₂(PO₄)₂·10-12H₂O	1272
Bermanite ()*	Arthurite	Mn²⁺Mn³⁺₂(PO₄)₂(OH)₂·4H₂O	55
Bertrandite ()*	Not in a structural group	Be₄Si₂O₇(OH)₂	606
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	4286
Cassiterite ()*	Rutile	SnO₂	5171
Columbite-(Fe) ()*	Columbite	Fe²⁺Nb₂O₆	518
Columbite-(Mn) ()*	Columbite	Mn²⁺Nb₂O₆	289
Cookeite ()*	Chlorite Clay	(Al,Li)₃Al₂(Si,Al)₄O₁₀(OH)₈	181
Cryptomelane ()*	Coronadite	K(Mn⁴⁺₇Mn³⁺)O₁₆	599
Diadochite ()*	Amorphous	Fe³⁺₂(PO₄)(SO₄)(OH)·6H₂O	81
Dravite ()*	Tourmaline	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	648
Elbaite ()*	Tourmaline	Na(Al_1.5Li_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	520
Eosphorite ()*	Childrenite	Mn²⁺Al(PO₄)(OH)₂·H₂O	128
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	2740
Foitite ()*	Tourmaline	(Fe²⁺₂Al)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	75
Goethite ()*	Diaspore	FeO(OH)	7437
Hematite ()*	Corundum	Fe₂O₃	14640
Heterosite ()*	Olivine	Fe³⁺(PO₄)	204
Hydroxylapatite ()*	Apatite	Ca₅(PO₄)₃OH	367
Hydroxylherderite ()*	Gadolinite	CaBe(PO₄)(OH)	119
Jahnsite-(CaMnFe) ()*	Jahnsite	CaMn²⁺Fe²⁺₂Fe³⁺₂(PO₄)₄(OH)₂·8H₂O	27
Laueite ()*	Laueite	Mn²⁺Fe³⁺₂(PO₄)₂(OH)₂·8H₂O	70
Magnesio-hornblende ()*	Amphibole	Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂	238
Meta-autunite ()*	Meta-autunite	Ca(UO₂)₂(PO₄)₂·6H₂O	388
Microcline ()*	Feldspar	K(AlSi₃O₈)	4924
Mitridatite ()*	Arseniosiderite	Ca₂Fe³⁺₃O₂(PO₄)₃·3H₂O	129
Montebrasite ()*	None	LiAl(PO₄)(OH)	200
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	17380
Opal ()*	Amorphous	SiO₂·nH₂O	2994
Phosphosiderite ()*	Phosphosiderite	Fe³⁺(PO₄)·2H₂O	182
Phosphuranylite ()*	Phosphuranylite	KCa(H₃O)₃(UO₂)₇(PO₄)₄O₄·8H₂O	182
Pollucite ()*	Analcime	Cs(Si₂Al)O₆·nH₂O	140
Pseudolaueite ()*	Stewartite	Mn²⁺Fe³⁺₂(PO₄)₂(OH)₂·8H₂O	10
Pyrite ()*	Pyrite	FeS₂	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	9056
Quartz ()*	Quartz	SiO₂	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	1711
Rockbridgeite ()*	Rockbridgeite	(Fe²⁺_0.5Fe³⁺_0.5)₂Fe³⁺₃(PO₄)₃(OH)₅	206
Schoepite ()*	Schoepite	(UO₂)₄O(OH)₆(H₂O)₆	94
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	2705
Siderite ()*	Calcite	Fe(CO₃)	6417
Spodumene ()*	Pyroxene	LiAlSi₂O₆	688
Stewartite ()*	Stewartite	Mn²⁺Fe³⁺₂(PO₄)₂(OH)₂·8H₂O	48
Strunzite ()*	Strunzite	Mn²⁺Fe³⁺₂(PO₄)₂(OH)₂·6H₂O	98
Tantalite-(Mn) ()*	Columbite	Mn²⁺Ta₂O₆	211
Todorokite ()*	None	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂·3-4H₂O	433
Tosudite ()*	Corrensite Clay	Na_0.5(Al,Mg)₆(Si,Al)₈O₁₈(OH)₁₂·5H₂O	36
Triphylite ()*	Olivine	LiFe²⁺(PO₄)	313
Uraninite ()*	Fluorite	UO₂	2718
Uranophane-α ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O	890
Vivianite ()*	Vivianite	Fe²⁺₃(PO₄)₂·8H₂O	636
Whitmoreite ()*	Arthurite	Fe²⁺Fe³⁺₂(PO₄)₂(OH)₂·4H₂O	36
Xanthoxenite ()*	None	Ca₄Fe³⁺₂(PO₄)₄(OH)₂·3H₂O	29
Zanazziite ()*	Roscherite	Ca₂Be₄Mg₅(PO₄)₆(OH)₄·6H₂O	21
Zircon ()*	Zircon	Zr(SiO₄)	5251

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL
R170035	Crooker Gem Pegmatite Quarries (includes Former Crooker Quarry; Blue Pit; Plumbago Prospects; Grand Canyon Prospect; Martin Prospect; Big Blue Prospect; Vandelight Ledge Prospect; Stanley Prospect; Several Unnamed Prospects), Newry, Oxford Co., Maine, USA	https://rruff.info/R170035

All locality data graciously provided by mindat.org

All age data...