Selections from Kreigh Tomaszewski's
Rock and Mineral Collection

Someday I hope to have my entire collection posted here. Until then, I hope you enjoy what I have posted so far. Come back again as I plan to update my catalog pages monthly. Click on any image for a larger picture, and then use your browser Back button to return here.

Someday I hope to have my entire collection posted here. Until then, I hope you enjoy what I have posted so far. Come back again as I plan to update my catalog pages monthly.

Page A: Magnificent Obsessions Collection

Page B: Magnificent Obsessions Collection

Index by Mineral Name

Index by Mineral Type

Native Elements

Sulfides, Arsenides, Tellurides

Oxides

Halides

Carbonates

Nitrates and Borates

Sulfates

Phosphates, Arsenates, Vanadates, Chromates, and Uranates

Tungstates, Wolframates, and Molybdates

Silica Group (open network)

Tectosilicates (framework structures)

Phyllosilicates (sheet structures from sharing three oxygen)

Inosilicates (chain silicates)

Cyclosilicates (a ring structure)

Sorosilicates (two tetrahedra share one oxygen)

Nesosilicates (no direct sharing between tetrahedra)

Complex Silicates (share two or more of the other forms)

Organic and Odd/Exception Minerals

Numerical Index; 0000-0249

Numerical Index; 0250-0449

Numerical Index; 0500-0749

Numerical Index; 0750-0999

Numerical Index; 1000-1249

Numerical Index; 1250-1499

Numerical Index; 1500-1749

Numerical Index; 1750-1999

Numerical Index; 2000-2249

Numerical Index; 2250-2499

Numerical Index; 2500-2749

Numerical Index; 2750-2999

Numerical Index; 3000-3249

Numerical Index; 3250-3499

Numerical Index; 3500-3749

Numerical Index; 3750-3999

Numerical Index; 4000-4249

Numerical Index; 4250-4499

Numerical Index; 4500-4749

Numerical Index; 5000-5249

Numerical Index; 5250-5499

Numerical Index; 6250-6499

Numerical Index; 8750-8999

Numerical Index; 9750-9999

Numerical Index; 12250-12499

Numerical Index; 12500-12749

Numerical Index; 13000-13249

Numerical Index; 80750-80999

Selections from Kreigh Tomaszewski's
Rock and Mineral Collection

Principal Mineral(s)	Formula		Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference	Hardness	Streak	Specific Gravity	Crystal Form(s)
Calcite, Malachite, Quartz, Copper	Formula		Quincy Mine, Houghton/Hancock, MI	1998	Matrix unidentified	Rhodonite, Enargite, one possible elbaite micro, and other Unidentified Secondary Mineral(s)	Much of the Malachite appears too dark and hard and may be some other unidentified green mineral, but some surfaces show ideal botroydal malachite edges (with needles -- surface still in calcite).	#0517	Hardness	Streak	Specific Gravity	Crystal Form(s)
Hematite in Sandstone	Formula		Lake Superior Shoreline near Porcupine Mountians	2000	Matrix	Secondary Mineral(s)	Fossil bottom ripples are preserved by layers of grey hematite varved with red hematite; it splits selectively along the grey hematite layers revealing the ripples.	#0544	Hardness	Streak	Specific Gravity	Crystal Form(s)
Huebnerite	Formula		Sweet Home Mine, Colorado	Acquired 2001 from the collection of Rudy Jauw	Quartz	Pyrite	Comments	#0545	Hardness	Streak	Specific Gravity	Crystal Form(s)
Almandine Garnet	Formula		Wrangle, Alaska	Acquired 2001 from the collection of Rudy Jauw	No Matrix	Mica	Comments	#0547, #0548	Hardness	Streak	Specific Gravity	Crystal Form(s)
Actinolite	Formula		Brazil	Acquired 2001 from the collection of Rudy Jauw	Dolomite with something that has darkened it, possibly hematite	Tremolite, Calcite, Hematite, Hexagonite	Comments	#0549	Hardness	Streak	Specific Gravity	Crystal Form(s)
Silver	Ag		Grube Himmmelsfahrst (Himmelfurst Mine), Saxon, Freiberg Germany	Acquired from Caleb Simkoff in 2001, originally collected in 1835	None	None	0.9 cms X 1.2 cms X 0.7 cms	#4474	Hardness	Streak	Specific Gravity	Crystal Form(s)
Hausmannite	Manganese Oxide		Cannon Mine, Stambough, Iron County, Michigan	acquired 2001	Matrix	Barite, Rhodochrosite	From the collection of Mike Basal (aka, MPBÊMinerals), from the collection of Gary and Terri Richards (aka, Keeper of the Earth)	#1235	Hardness	Streak	Specific Gravity	Crystal Form(s)
Goethite	Formula		Taylor Iron Mine, near Alberta, Baraga County, Michigan	collected Spring 2000 by M.P. Basal, acquired 2001	Quartz	Limonite	From the collection of Mike Basal (aka, MPB Minerals)	#0615	Hardness	Streak	Specific Gravity	Crystal Form(s)
Datolite and Pumpellyitte	Formula		North Lake Mine, Ontonagon County, Michigan	collected 4-11-99 by MPB, acquired 2001	Matrix unidentifed	Secondary Mineral(s) possible	From the collection of Mike Basal (aka, MPB Minerals)	#0618	Hardness	Streak	Specific Gravity	Crystal Form(s)
Tremolite	Formula		Metronite Quarry, Northeast of Felch, Dickinson County, Michigan	collected 8-28-97 by Ray DeMark, acquired 2001	none	(probably) Copper inclusions	From the collection of Mike Basal; MPB Minerals Collection, M717	#0625	Hardness	Streak	Specific Gravity	Crystal Form(s)
Diopside	Formula		Rian's Quarry, South of Felch, Dickinson County, Michigan	collected 9-23-97 by Ray DeMark, acquired 2001	Feldspar	Quartz	From the collection of Mike Basal; MPB Minerals Collection, M720	#0626	Hardness	Streak	Specific Gravity	Crystal Form(s)
Manganite	Formula		Jackson Mine, Negaunee, Marquette County, Michigan	collected 4-5-98 by Ray DeMark, acquired 2001	Hematite	Quartz	From the collection of Mike Basal; MPB Minerals Collection, M451	#0627	Hardness	Streak	Specific Gravity	Crystal Form(s)
Prehnite balls	Formula		Centennial Mine #2, Centennial, Houghton County, Michigan	collected July 30, 2001 by M.P. Basal, acquired 2001	Calcite	Copper	From the collection of Mike Basal (aka, MPB Minerals)	#0630	Hardness	Streak	Specific Gravity	Crystal Form(s)
Adularia	Formula		North Lake Mine, Ontonagon County, Michigan	Collected 4-11-99 (possibly 94) by MPB, acquired 2001	Matrix unidentified	Epidote, and at least one other Secondary Mineral	From the collection of Mike Basal	#0635	Hardness	Streak	Specific Gravity	Crystal Form(s)
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula	individual specimen picture not yet available this specimen may be included in the group pictures at the beginning and end of this section	Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference #	Hardness	Streak	Specific Gravity	Crystal Form
Principal Mineral(s)	Formula		Locality	When Collected	Matrix	Secondary Mineral(s)	Comments	Reference	Hardness	Streak	Specific Gravity	Crystal Form(s)

Current date and time is Thursday, 25-Apr-2024 07:39:55 EDT and the Greenwich date and time is Thursday, 25-Apr-2024 11:39:55 GMT. You are viewing this page from 3.144.212.145 and are visitor number 6102. This page was first published on 1 September 1998 and was last updated on Friday, 02-Sep-2022 18:42:17 EDT.

You can return to The Tomaszewski Family Public Home Page, or visit my personal homepage for more Rockhounding information, or check out my collection of links for rockhounds, or read about Labeling and Cataloging Rocks, Minerals, and Fossils, or review some field trip reports, or learn how to make your own lapidary equipment, or send me Email at Kreigh@Tomaszewski.net