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North shore of Lake Superior, Minnesota, USAi
Regional Level Types
North shore of Lake Superior- not defined -
MinnesotaState
USACountry

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PhotosMapsSearch
03512960014960934123482.jpg
Stilbite Subgroup, etc.

North shore of Lake Superior, Minnesota, USA
08617770016949498486743.jpg
Agate

North shore of Lake Superior, Minnesota, USA
03512960014960934123482.jpg
Stilbite Subgroup, etc.

North shore of Lake Superior, Minnesota, USA
08617770016949498486743.jpg
Agate

North shore of Lake Superior, Minnesota, USA
03512960014960934123482.jpg
Stilbite Subgroup, etc.

North shore of Lake Superior, Minnesota, USA
08617770016949498486743.jpg
Agate

North shore of Lake Superior, Minnesota, USA
Latitude & Longitude:
46° North , 94° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~401km
GRN:
N31W48
Mindat Locality ID:
3769
Long-form identifier:
mindat:1:2:3769:6
GUID (UUID V4):
48f0cd22-e49b-4153-acc8-200efffdcadf


The Al-lizardite described here was found as a few "platy crystals of a porcelain-white mineral" in cavities in a beach pebble of rhyolite picked up by a rock collector in the 1960's from an unspecified location along the lake shore.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


2 valid minerals. 1 (TL) - type locality of valid minerals. 1 (FRL) - first recorded locality of unapproved mineral/variety/etc.

Detailed Mineral List:

βœͺ Lizardite (TL)
Formula: Mg3(Si2O5)(OH)4
Type Locality:
Habit: hexagonal crystals to 2 mm
Description: Found in beach pebble of a Keweenaw rhyolite.
βœͺ Lizardite var. Al-lizardite (FRL)
Formula: Mg3((Si,Al)2O5)(OH)4
Type Locality:
Habit: hexagonal crystals to 2 mm
Description: Found in beach pebble of a Keweenaw rhyolite.
β“˜ Quartz
Formula: SiO2
References:
Takehiro TougeIdentified by Takehiro Touge: Visual Identification
β“˜ Quartz var. Agate
References:
Takehiro TougeIdentified by Takehiro Touge: Visual Identification

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
β“˜Quartz
var. Agate		4.DA.05SiO2
β“˜4.DA.05SiO2
Group 9 - Silicates
β“˜Lizardite
var. Al-lizardite (TL)		9.ED.15Mg3((Si,Al)2O5)(OH)4
β“˜ (TL)9.ED.15Mg3(Si2O5)(OH)4

List of minerals for each chemical element

HHydrogen
Hβ“˜ Lizardite var. Al-lizarditeMg3((Si,Al)2O5)(OH)4
Hβ“˜ LizarditeMg3(Si2O5)(OH)4
OOxygen
Oβ“˜ Lizardite var. Al-lizarditeMg3((Si,Al)2O5)(OH)4
Oβ“˜ LizarditeMg3(Si2O5)(OH)4
Oβ“˜ QuartzSiO2
MgMagnesium
Mgβ“˜ Lizardite var. Al-lizarditeMg3((Si,Al)2O5)(OH)4
Mgβ“˜ LizarditeMg3(Si2O5)(OH)4
AlAluminium
Alβ“˜ Lizardite var. Al-lizarditeMg3((Si,Al)2O5)(OH)4
SiSilicon
Siβ“˜ Lizardite var. Al-lizarditeMg3((Si,Al)2O5)(OH)4
Siβ“˜ LizarditeMg3(Si2O5)(OH)4
Siβ“˜ QuartzSiO2

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Jahanbangloo, I. & Zoltai, T. (1968) "The crystal structure of a hexagonal Al-serpentine": american Mineralogist: 53 (#1): 14-24.
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