Dave's Down To Earth Rock Shop Minerals I-M!!!

Minerals
Here are some of the mineral specimens I - M which can be found in Dave's Down to Earth Rock Shop. This extensive and high quality collection contains many unusual points, minerals, and clusters.
We also have Exquisite Crystal Carvings available.
Check out our Glossary!

Click here for Minerals A - B!
Click here for Minerals C!
Click here for Minerals D - E!
Click here for Minerals F - H!
Click here for Minerals N - Q!
Click here for Minerals R - S!
Click here for Minerals T - Z!

Imperial Jasper
Location: Mexico
Variety of: Chalcedony
Chemical Composition: SiO2
Hardness: 6.5 - 7

	(Mammoth) Ivory Organic Gemstone Chemical composition: calcium phosphate Hardness: 2 - 3 Ivory originally only referred to the material of the elephant's tusk. Today it is also the teeth of the hippopotamus, narwhal, walrus, wild boar, and fossilized mammoth. Since 1989, there has been a worldwide ban on ANY trade in elephant's ivory.
Jet Organic Gemstone Chemical composition: lignite Hardness: 2.5 - 4 Jet is a bituminous coal that can be polished
	Kunzite Location: Afghanistan Vitreous pink to lilac color. Variety of: Spodumene Chemical Composition: LiAlSi2 O6, Lithium Aluminum Silicate Hardness: 6.5 - 7

Labradorite
Location: Madagascar
It displays a particular type of iridescence on a dark to light smoke gray background.
Chemical Composition: NaAlSi3O8 to CaAl2Si2O8 (Sodium Calcium Aluminosilicate)
Hardness: 6 - 6.5
Learn more about Labradorite!

Lapis Lazuli
Location: Afghanistan
Chemical Composition: (Na, Ca)8Al6Si6O24(S, SO4) , Sodium Calcium Aluminum Silicate Sulfur Sulfate
Hardness: 5 - 5.5

Botryoidal Lepidolite
Location: Taquaral City Minas Gerais, Brazil
Chemical Composition: KLi2Al(Al, Si)3O10(F, OH)2, Potassium lithium aluminum silicate hydroxide fluoride
Hardness: 2.5

Lingam
Also known as the "Tantric Linga"
Location: India
"Crypto Crystalline Quartz"

Malachite
Location: Zaire, Africa
Chemical Composition: Cu2(CO3)(OH)2, Copper Carbonate Hydroxide
Hardness: 3.5-4
Learn more about malachite!

Mesolite on Apophyllite
Location: Poona India
Chemical Composition of Mesolite: Na2Ca2Al6Si9O30 - 8H2O, Hydrated sodium calcium aluminum silicate
Hardness of Mesolite: 5 - 5.5
Chemical Composition of Apophyllite: (K,Na)Ca4Si8O20(F,OH) - 8H2O, Hydrated Potassium Calcium Sodium Silicate Fluoride Hydroxide
Hardness of Apophyllite: 4.5 - 5

	Mica - Phlogopite Phlogopite is a rare form of mica. Location: Madagascar Chemical Composition: K Mg3 AlSi3 O10 (OH)2, Potassium magnesium aluminum silicate hydroxide Hardness: 2.5 - 3
Rose Mica Location: New Mexico Chemical Composition: K Mg3 AlSi3 O10 (OH)2, Potassium magnesium aluminum silicate hydroxide Hardness: 2.5 - 3
	Moldavite Location: Czech Republic Chemical Composition: mostly silica glass with impurities of magnesium, iron and other elements Hardness: 5 - 6 (see more on the meteorite page!)
Moonstone Location: Madagascar Chemical Composition: KAISi3O8 Hardness: 6 - 6.5 Learn more about moonstone!

Morganite
Location: Kunar, Afghanistan
Variety of: Beryl
Chemical Composition: Be3 Al2 Si6 O18
Hardness: 7.5 - 8

Mother of Pearl
Organic Gemstone
Location: a variety of fresh and salt water shells
Chemical Composition: Calcium carbonate CaCo3 with organics and water
Hardness: 3 - 4.5
Learn more about Mother of Pearl!

Dave's Down to Earth Rock Shop and
The Prehistoric Life Museum
704 Main Street
Evanston, IL 60202
phone: 847 866 - 7374
fax: 847 866 - 6854

Store Hours:
M, T, Thurs, F: 10:30 - 5:30
Sat: 10:00 - 5:00
Closed Wednesday and Sunday