That sounds like a great video concept. Here are some suggestions to enhance your video:

Script Ideas
1. *Introduction*: Briefly introduce the topic of natural marble and imported marble.
2. *Types of Marble*: Showcase different types of marble, such as:
1. White Carrara
2. Black Granite (as you mentioned)
3. Green Marble
4. Travertine
3. *Origin and Sourcing*: Explain where these marbles are sourced from (e.g., Italy, Brazil, India).
4. *Characteristics and Benefits*: Highlight the unique characteristics, benefits, and uses of each type of marble.
5. *Conclusion*: Summarize the key points and encourage viewers to explore more.

Visuals and Footage
1. *High-quality images and videos*: Use crisp, high-resolution visuals to showcase the marbles' textures, patterns, and colors.
2. *Showcase different applications*: Display marble in various settings, such as:
1. Kitchen countertops
2. Bathroom vanities
3. Flooring
4. Architectural features
3. *Include footage of marble quarries or factories*: Give viewers a glimpse into the sourcing and production process.

Additional Tips
1. *Keep it concise and engaging*: Aim for a video length of 2-3 minutes.
2. *Use background music and sound effects*: Enhance the viewing experience with subtle music and relevant sound effects.
3. *Optimize for SEO*: Use relevant keywords in your video title, description, and tags.

By incorporating these ideas, you'll create an informative and captivating video that showcases the beauty and versatility of natural marble and imported marble.