Can you write about rocks / minerals / crystals in a scientific manner?

Looking for someone who’s able to write about rocks / minerals / crystals in a scientific manner Pay rate: $2.50 for 400 words (we need 30 pieces of 400 words each) REQUIREMENTS • Preferably you should have experience to produce similar content • We'll prefer to hire you if you are available to work on weekend WE DON’T PAY FOR PLAGIARIZED WORK – YOU MUST BE WILLING TO MAKE REVISIONS IF REQUIRED. TERMS OF WORK 1. Payment through freelancer.com (Milestone system will be followed) 2. Only apply if you willing to write a sample of 400 words before project is awarded 3. Your Content Must Pass Copyscape Premium.