×
Jacobsite
☒
Labradorite
☒
Top
ADD
⊕
Compare
Gemstones
Gems for Taurus
Gems for Gemini
Gems for Leo
Organic
Gems for Aries
Gems for Cancer
Gems for Libra
Gems for Capricorn
⌕
▼
X
Jacobsite
X
Labradorite
Jacobsite
Labradorite
Add ⊕
Summary
Astrology
Physical Properties
Optical Properties
Benefits
All
Physical Properties
Tenacity
Solubility
Durability
Specific Gravity
Fracture
Cleavage
Mohs Hardness
Chemical Composition
-
-
-
4.76-5.03
Conchoidal
None
5.5-6.5
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
-
-
-
2.69-2.72
Uneven, Conchoidal
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
6-6.5
(Na,Ca)
1-2
Si
3-2
O
8
Compare Brown Gemstones
Jacobsite Vs Povondraite
Jacobsite Vs Sonolite
Jacobsite Vs Staurolite
Brown Gemstones
Larvikite
Magnetite
Manganaxinite
Mellite
Povondraite
Sonolite
Staurolite
Astrology
|
Physical ...
|
Optical P...
|
Benefits
Tantalite
Astrology
|
Physical ...
|
Optical P...
|
Benefits
Zoisite
Astrology
|
Physical ...
|
Optical P...
|
Benefits
Labradorite Vs Magnetite
Astrology
|
Physical ...
|
Optical P...
|
Benefits
Labradorite Vs Manganaxinite
Astrology
|
Physical ...
|
Optical P...
|
Benefits
Labradorite Vs Mellite
Astrology
|
Physical ...
|
Optical P...
|
Benefits