Crystal Courses and Certifications

Crystal

Learn Crystal through practice exercises covering booleans, classes, strings, conditionals, arrays, and error handling, then tackle algorithm challenges like ciphers, binary search trees, and Conway's Game of Life.

• Exercism
• Self-Paced
• Free Online Course

This course is targeted at novice Crystal programmers and conveys a basic understanding of the language's core concepts. Prior programming experience is recommended, but not required.

• Independent
• Self-Paced
• Free Online Course

Crystal programming language is super interesting. I've spent the time checking out Crystal and digging through what is available, and wrote it all down as I learned.

• Independent
• Self-Paced
• Free Online Course

Confreaks

Bending Time with Crystal: From 6 Hours to 15 Minutes

Explore combining Crystal with Ruby to create powerful tools, optimize performance, and solve complex problems efficiently. Learn to port Ruby code to Crystal seamlessly.

• YouTube
• 30 minutes
• Self-Paced
• Free Video

Confreaks

Crystal for Rubyists - Similarities and Differences

Explore Crystal, a Ruby-like compiled language, learning its similarities and differences to Ruby while gaining hands-on experience in this engaging workshop.

• YouTube
• 55 minutes
• Self-Paced
• Free Video

Crystal

Learn Crystal programming and follow live Shardbox development with its author, Johannes Müller.

• YouTube
• 3 hours 30 minutes
• Self-Paced
• Free Video

The Royal Institution

The Architecture of Crystals - Lecture 2

Explore crystal architecture through optical and electron diffraction, revealing how molecular arrangements determine protein function and material properties.

• YouTube
• 57 minutes
• Self-Paced
• Free Video

The Royal Institution

Introduction to Crystals and Lasers - Symmetry and Physical Characteristics of Minerals and Gemstones - Lecture 1

Explore the symmetry and striking physical characteristics of minerals and gemstones, uncovering their optical, thermal, and electrical properties in this foundational lecture.

• YouTube
• 57 minutes
• Self-Paced
• Free Video

Ruby Central

Crystal for Rubyists

Explore Crystal, a compiled language similar to Ruby, learning its syntax, key differences, and advantages. Gain insights into transitioning from Ruby to Crystal programming.

• YouTube
• 55 minutes
• Self-Paced
• Conference Talk

Crystal Structures and Properties of Metals

41 ratings at Coursera

Relate atomic bonding to material behavior: study cubic crystal structures, Miller indices, crystallographic defects, and extract mechanical properties from tensile testing and failure analysis.

• Coursera
• 5 weeks, 5 hours a week
• Self-Paced
• Paid Course

Crystal Singing Bowls Sound Therapy & Sound Healing Training

3640 ratings at Udemy

Learn To Play The Frosted Quartz Crystal Singing Bowls And Start Leading Your Own Group Sound Baths.

• Udemy
• 4 hours 4 minutes
• Self-Paced
• Paid Course

The Little Beading Closet

Beaded Pearl and Crystal 8mm Chaton Bracelet - Let's Get Together

Master creating sparkling beaded clusters using pearls, crystals, and seed beads to craft a customizable sliding bracelet with matching earrings in this detailed jewelry-making tutorial.

• YouTube
• 17 minutes
• Self-Paced
• Free Video

SAP Crystal Reports 2020 (and earlier versions)

1422 ratings at Udemy

How to create reports quickly and easily. For SAP Crystal Reports 2008, 2011, 2013, 2016 and 2020

• Udemy
• 3 hours 22 minutes
• Self-Paced
• Paid Course

Crystal Reports for SAP Business One Mastery Training Course

1164 ratings at Udemy

Learn how to easily create and modify SAP Business One reports and layouts using Crystal Reports.

• Udemy
• 11 hours 10 minutes
• Self-Paced
• Paid Course

CRYSTAL HEALER MASTER Certification ~ Online Video Course + Private or Semiprivate Training (Live Online)

11 ratings at CourseHorse

Unlock the ancient wisdom of crystal healing and harness the power of Mother Earth's treasures with our Crystal Healer Certification Master course.

• CourseHorse
• 1 hour 30 minutes
• Self-Paced
• $799.00