|
| |
info
page home
 crystals,
gems and minerals
gems & minerals A - B
 |
Adamite
Location: Mexico
Chemical Composition: Zn2AsO4(OH),
Zinc Arsenate Hydroxide
Hardness is 3.5 |
|
Agate
Alternate birthstone for May
Location: Mexico
Variety of: Chalcedony
Chemical Composition: SiO2
silicon dioxide
Hardness: 6.5 to 7
Learn more about Agate! |
 |
 |
Ajoite
in Quartz
Location: Messina Mine
Messina, S. Africa
Quartz with turquoise colored inclusions.
Chemical Composition: (K, Na)Cu7Al(Si3O8)
3(OH)6
- 3H2O,
Hydrated Potassium Sodium Copper Aluminum
Silicate Hydroxide
Hardness is 3.5 |
|
Alexandrite
Location: Russia
Variety of: Chrysoberyl
Chemical Composition: BeAl2O4
+ Fe,Ti beryllium aluminum oxide
Hardness: 8.5
Learn more about Alexandrite! |
 |
 |
Amazonite
with smoky quartz
Location: Lake George Area Colorado, USA
Chemical Composition: KAlSi3O8
Hardness: 6 to 6.5 |
|
Amber
Location: Baltic
Organic Gemstone
Amber comes translucent or opaque, with
colors ranging from milky to red, brown,
gold or even black, blue, or green
Chemical Composition: Approximately C10H16O;
Succinic acid
Hardness: 2 - 4 Very soft, easy to carve or
melt
Learn more about Amber! |
 |
|
 |
Amethyst
Birthstone for February
Location: Bolivia
Light to medium delicate purple to lavender.
Variety of: Quartz
Chemical Composition: SiO2
silicon dioxide
Hardness: 7
Learn more about Amethyst! |
|
Apache Tears
Location: Arizona
Chemical Composition: Volcanic, amorphous,
siliceous glassy rock
Hardness: 5 - 5.5 |
 |
 |
Aquamarine
Birthstone for March
Location: Brazil
Variety of: Beryl
Chemical Composition: Be3
Al2 Si6
O18
Hardness: 7.5 - 8
Learn more about aquamarine! |
|
Atacamite
Location: Chile
Chemical Composition: Cu2Cl(OH)3,
Copper Chloride Hydroxide
Hardness is 3 - 3.5 |
 |
|
 |
Azurite
Nodules
Location: Mexico
Chemical Composition: Cu3(CO3)2(OH)2,
Copper Carbonate Hydroxide
Hardness is 3.5-4 |
|
Barite
Location: Romania
Vitreous resinous colorless, blue, white,
yellow, brown, gray. etc.
Chemical Composition: BaSO4,
Barium Sulfate
Hardness is 3 - 3.5
|
 |
|
 |
Bloodstone
Alternate March birthstone
Location: India
Variety of: Chalcedony
Chemical Composition: SiO2 with impurities
Hardness: 7
Learn more about bloodstone! |
|
davesdowntoearthrockshop.com |
info
page home
|
