List of Rocks

October 2024 - Elrathai Trilobites

October 2024 - Elrathai Trilobites

Species: Elrathia kingiiAge: 498 to 513 Million years old Trilobites are some of the most iconic and collectible fossils out there. Even though they look like pillbugs, they’re more closely...

October 2024 - Elrathai Trilobites

Species: Elrathia kingiiAge: 498 to 513 Million years old Trilobites are some of the most iconic and collectible fossils out there. Even though they look like pillbugs, they’re more closely...

August 2024: Quartz

August 2024: Quartz

Chemical Formula: SiO2 Moh's Hardness Scale: 7 Quartz: You know it, you love it. It’s the second most common mineral in the world, and it comes in just about every...

August 2024: Quartz

Chemical Formula: SiO2 Moh's Hardness Scale: 7 Quartz: You know it, you love it. It’s the second most common mineral in the world, and it comes in just about every...

July 2024: Celestine

July 2024: Celestine

Chemical Formula: SrSO4 Mohs Hardness Scale: 3.0 to 3.5 Celestine, AKA celestite, is a lovely sky-blue mineral that takes its name from the heavens. These crystals are made of strontium...

July 2024: Celestine

Chemical Formula: SrSO4 Mohs Hardness Scale: 3.0 to 3.5 Celestine, AKA celestite, is a lovely sky-blue mineral that takes its name from the heavens. These crystals are made of strontium...

June 2024 - Epidote

June 2024 - Epidote

Chemical Formula: Ca2(Al,Fe3+(Al2O)(SiO4)(Si2O7)(OH)) Mohs Hardness Scale: 6 Epidote is a super common crystal that can be found in tiny amounts just about everywhere. Depending on the mineral inclusions, it can...

June 2024 - Epidote

Chemical Formula: Ca2(Al,Fe3+(Al2O)(SiO4)(Si2O7)(OH)) Mohs Hardness Scale: 6 Epidote is a super common crystal that can be found in tiny amounts just about everywhere. Depending on the mineral inclusions, it can...

May 2024 - Pyrite

May 2024 - Pyrite

Locality: Ojuela Mining District, Mexico Chemical Formula: FeS2 Mohs Hardness Scale: 6 to 6.5 Pyrite has built up a bit of a bad reputation over the years. Because it looks...

May 2024 - Pyrite

Locality: Ojuela Mining District, Mexico Chemical Formula: FeS2 Mohs Hardness Scale: 6 to 6.5 Pyrite has built up a bit of a bad reputation over the years. Because it looks...

April 2024 - Topaz

April 2024 - Topaz

Locality: Thomas Range, Utah Chemical Formula: Al2SiO4(F,OH)2 Topaz is the one of the hardest minerals on the Mohs scale, but that doesn’t mean it's the most durable. And it’s all thanks...

April 2024 - Topaz

Locality: Thomas Range, Utah Chemical Formula: Al2SiO4(F,OH)2 Topaz is the one of the hardest minerals on the Mohs scale, but that doesn’t mean it's the most durable. And it’s all thanks...